Home / 90,039.32-124,252.55-49,752.23

Finding the Fourth Proportional to 90,039.32, 124,252.55 and 49,752.23

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Solution

The fourth proportional to 90,039.32, 124,252.55 and 49,752.23 is: 68,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,039.32 : 124,252.55 = 49,752.23 : x
  2. Step 2: Convert to fraction form
    90,039.32/124,252.55 = 49,752.23/x
  3. Step 3: Cross multiply
    90,039.32x = 124,252.55 × 49,752.23
  4. Step 4: Simplify right side
    90,039.32x = 6,181,840,575.66
  5. Step 5: Solve for x
    x = 6,181,840,575.66/90,039.32
  6. Step 6: Final answer
    x = 68,657.13

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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.