Home / 90,316.78-124,637.14-50,033.15

Finding the Fourth Proportional to 90,316.78, 124,637.14 and 50,033.15

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Solution

The fourth proportional to 90,316.78, 124,637.14 and 50,033.15 is: 69,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,316.78 : 124,637.14 = 50,033.15 : x
  2. Step 2: Convert to fraction form
    90,316.78/124,637.14 = 50,033.15/x
  3. Step 3: Cross multiply
    90,316.78x = 124,637.14 × 50,033.15
  4. Step 4: Simplify right side
    90,316.78x = 6,235,988,721.19
  5. Step 5: Solve for x
    x = 6,235,988,721.19/90,316.78
  6. Step 6: Final answer
    x = 69,045.74

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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.