Home / 61,322.77-91,984.16-19,206.15

Finding the Fourth Proportional to 61,322.77, 91,984.16 and 19,206.15

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Solution

The fourth proportional to 61,322.77, 91,984.16 and 19,206.15 is: 28,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,322.77 : 91,984.16 = 19,206.15 : x
  2. Step 2: Convert to fraction form
    61,322.77/91,984.16 = 19,206.15/x
  3. Step 3: Cross multiply
    61,322.77x = 91,984.16 × 19,206.15
  4. Step 4: Simplify right side
    61,322.77x = 1,766,661,548.69
  5. Step 5: Solve for x
    x = 1,766,661,548.69/61,322.77
  6. Step 6: Final answer
    x = 28,809.23

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.