Home / 90,684.54-125,143.13-50,397.27

Finding the Fourth Proportional to 90,684.54, 125,143.13 and 50,397.27

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Solution

The fourth proportional to 90,684.54, 125,143.13 and 50,397.27 is: 69,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,684.54 : 125,143.13 = 50,397.27 : x
  2. Step 2: Convert to fraction form
    90,684.54/125,143.13 = 50,397.27/x
  3. Step 3: Cross multiply
    90,684.54x = 125,143.13 × 50,397.27
  4. Step 4: Simplify right side
    90,684.54x = 6,306,871,859.27
  5. Step 5: Solve for x
    x = 6,306,871,859.27/90,684.54
  6. Step 6: Final answer
    x = 69,547.38

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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.