Home / 61,323.15-91,984.72-19,206.53

Finding the Fourth Proportional to 61,323.15, 91,984.72 and 19,206.53

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Solution

The fourth proportional to 61,323.15, 91,984.72 and 19,206.53 is: 28,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,323.15 : 91,984.72 = 19,206.53 : x
  2. Step 2: Convert to fraction form
    61,323.15/91,984.72 = 19,206.53/x
  3. Step 3: Cross multiply
    61,323.15x = 91,984.72 × 19,206.53
  4. Step 4: Simplify right side
    61,323.15x = 1,766,706,848.31
  5. Step 5: Solve for x
    x = 1,766,706,848.31/61,323.15
  6. Step 6: Final answer
    x = 28,809.79

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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.