Home / 90,539.93-124,943.88-50,253.58

Finding the Fourth Proportional to 90,539.93, 124,943.88 and 50,253.58

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Solution

The fourth proportional to 90,539.93, 124,943.88 and 50,253.58 is: 69,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,539.93 : 124,943.88 = 50,253.58 : x
  2. Step 2: Convert to fraction form
    90,539.93/124,943.88 = 50,253.58/x
  3. Step 3: Cross multiply
    90,539.93x = 124,943.88 × 50,253.58
  4. Step 4: Simplify right side
    90,539.93x = 6,278,877,269.09
  5. Step 5: Solve for x
    x = 6,278,877,269.09/90,539.93
  6. Step 6: Final answer
    x = 69,349.26

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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.