Home / 90,395.30-124,746.46-50,109.86

Finding the Fourth Proportional to 90,395.30, 124,746.46 and 50,109.86

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Solution

The fourth proportional to 90,395.30, 124,746.46 and 50,109.86 is: 69,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,395.30 : 124,746.46 = 50,109.86 : x
  2. Step 2: Convert to fraction form
    90,395.30/124,746.46 = 50,109.86/x
  3. Step 3: Cross multiply
    90,395.30x = 124,746.46 × 50,109.86
  4. Step 4: Simplify right side
    90,395.30x = 6,251,027,646.10
  5. Step 5: Solve for x
    x = 6,251,027,646.10/90,395.30
  6. Step 6: Final answer
    x = 69,152.13

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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.