Home / 90,360.15-124,691.36-50,071.56

Finding the Fourth Proportional to 90,360.15, 124,691.36 and 50,071.56

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Solution

The fourth proportional to 90,360.15, 124,691.36 and 50,071.56 is: 69,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,360.15 : 124,691.36 = 50,071.56 : x
  2. Step 2: Convert to fraction form
    90,360.15/124,691.36 = 50,071.56/x
  3. Step 3: Cross multiply
    90,360.15x = 124,691.36 × 50,071.56
  4. Step 4: Simplify right side
    90,360.15x = 6,243,490,913.72
  5. Step 5: Solve for x
    x = 6,243,490,913.72/90,360.15
  6. Step 6: Final answer
    x = 69,095.62

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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.