Home / 99,306.10-148,959.15-36,963.70

Finding the Fourth Proportional to 99,306.10, 148,959.15 and 36,963.70

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Solution

The fourth proportional to 99,306.10, 148,959.15 and 36,963.70 is: 55,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.10 : 148,959.15 = 36,963.70 : x
  2. Step 2: Convert to fraction form
    99,306.10/148,959.15 = 36,963.70/x
  3. Step 3: Cross multiply
    99,306.10x = 148,959.15 × 36,963.70
  4. Step 4: Simplify right side
    99,306.10x = 5,506,081,332.86
  5. Step 5: Solve for x
    x = 5,506,081,332.86/99,306.10
  6. Step 6: Final answer
    x = 55,445.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.