Home / 90,269.98-124,570.95-49,983.62

Finding the Fourth Proportional to 90,269.98, 124,570.95 and 49,983.62

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Solution

The fourth proportional to 90,269.98, 124,570.95 and 49,983.62 is: 68,976.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,269.98 : 124,570.95 = 49,983.62 : x
  2. Step 2: Convert to fraction form
    90,269.98/124,570.95 = 49,983.62/x
  3. Step 3: Cross multiply
    90,269.98x = 124,570.95 × 49,983.62
  4. Step 4: Simplify right side
    90,269.98x = 6,226,506,217.55
  5. Step 5: Solve for x
    x = 6,226,506,217.55/90,269.98
  6. Step 6: Final answer
    x = 68,976.49

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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.