Home / 90,354.40-124,693.76-50,072.69

Finding the Fourth Proportional to 90,354.40, 124,693.76 and 50,072.69

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Solution

The fourth proportional to 90,354.40, 124,693.76 and 50,072.69 is: 69,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,354.40 : 124,693.76 = 50,072.69 : x
  2. Step 2: Convert to fraction form
    90,354.40/124,693.76 = 50,072.69/x
  3. Step 3: Cross multiply
    90,354.40x = 124,693.76 × 50,072.69
  4. Step 4: Simplify right side
    90,354.40x = 6,243,752,426.33
  5. Step 5: Solve for x
    x = 6,243,752,426.33/90,354.40
  6. Step 6: Final answer
    x = 69,102.92

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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.