Home / 90,269.87-124,573.73-49,983.55

Finding the Fourth Proportional to 90,269.87, 124,573.73 and 49,983.55

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Solution

The fourth proportional to 90,269.87, 124,573.73 and 49,983.55 is: 68,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,269.87 : 124,573.73 = 49,983.55 : x
  2. Step 2: Convert to fraction form
    90,269.87/124,573.73 = 49,983.55/x
  3. Step 3: Cross multiply
    90,269.87x = 124,573.73 × 49,983.55
  4. Step 4: Simplify right side
    90,269.87x = 6,226,636,700.79
  5. Step 5: Solve for x
    x = 6,226,636,700.79/90,269.87
  6. Step 6: Final answer
    x = 68,978.02

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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.