Home / 90,569.52-124,987.41-50,285.88

Finding the Fourth Proportional to 90,569.52, 124,987.41 and 50,285.88

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Solution

The fourth proportional to 90,569.52, 124,987.41 and 50,285.88 is: 69,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,569.52 : 124,987.41 = 50,285.88 : x
  2. Step 2: Convert to fraction form
    90,569.52/124,987.41 = 50,285.88/x
  3. Step 3: Cross multiply
    90,569.52x = 124,987.41 × 50,285.88
  4. Step 4: Simplify right side
    90,569.52x = 6,285,101,900.77
  5. Step 5: Solve for x
    x = 6,285,101,900.77/90,569.52
  6. Step 6: Final answer
    x = 69,395.33

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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.