Home / 90,247.28-124,502.13-54,417.38

Finding the Fourth Proportional to 90,247.28, 124,502.13 and 54,417.38

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Solution

The fourth proportional to 90,247.28, 124,502.13 and 54,417.38 is: 75,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,247.28 : 124,502.13 = 54,417.38 : x
  2. Step 2: Convert to fraction form
    90,247.28/124,502.13 = 54,417.38/x
  3. Step 3: Cross multiply
    90,247.28x = 124,502.13 × 54,417.38
  4. Step 4: Simplify right side
    90,247.28x = 6,775,079,096.51
  5. Step 5: Solve for x
    x = 6,775,079,096.51/90,247.28
  6. Step 6: Final answer
    x = 75,072.40

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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.