Home / 90,681.49-125,104.62-52,434.01

Finding the Fourth Proportional to 90,681.49, 125,104.62 and 52,434.01

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Solution

The fourth proportional to 90,681.49, 125,104.62 and 52,434.01 is: 72,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,681.49 : 125,104.62 = 52,434.01 : x
  2. Step 2: Convert to fraction form
    90,681.49/125,104.62 = 52,434.01/x
  3. Step 3: Cross multiply
    90,681.49x = 125,104.62 × 52,434.01
  4. Step 4: Simplify right side
    90,681.49x = 6,559,736,896.13
  5. Step 5: Solve for x
    x = 6,559,736,896.13/90,681.49
  6. Step 6: Final answer
    x = 72,338.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.