Home / 99,793.17-137,714.55-68,017.57

Finding the Fourth Proportional to 99,793.17, 137,714.55 and 68,017.57

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Solution

The fourth proportional to 99,793.17, 137,714.55 and 68,017.57 is: 93,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793.17 : 137,714.55 = 68,017.57 : x
  2. Step 2: Convert to fraction form
    99,793.17/137,714.55 = 68,017.57/x
  3. Step 3: Cross multiply
    99,793.17x = 137,714.55 × 68,017.57
  4. Step 4: Simplify right side
    99,793.17x = 9,367,009,044.64
  5. Step 5: Solve for x
    x = 9,367,009,044.64/99,793.17
  6. Step 6: Final answer
    x = 93,864.23

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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.