Home / 90,496.81-124,897.02-59,478.26

Finding the Fourth Proportional to 90,496.81, 124,897.02 and 59,478.26

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Solution

The fourth proportional to 90,496.81, 124,897.02 and 59,478.26 is: 82,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,496.81 : 124,897.02 = 59,478.26 : x
  2. Step 2: Convert to fraction form
    90,496.81/124,897.02 = 59,478.26/x
  3. Step 3: Cross multiply
    90,496.81x = 124,897.02 × 59,478.26
  4. Step 4: Simplify right side
    90,496.81x = 7,428,657,428.79
  5. Step 5: Solve for x
    x = 7,428,657,428.79/90,496.81
  6. Step 6: Final answer
    x = 82,087.51

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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.