Home / 99,170.10-136,854.90-53,848.17

Finding the Fourth Proportional to 99,170.10, 136,854.90 and 53,848.17

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Solution

The fourth proportional to 99,170.10, 136,854.90 and 53,848.17 is: 74,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,170.10 : 136,854.90 = 53,848.17 : x
  2. Step 2: Convert to fraction form
    99,170.10/136,854.90 = 53,848.17/x
  3. Step 3: Cross multiply
    99,170.10x = 136,854.90 × 53,848.17
  4. Step 4: Simplify right side
    99,170.10x = 7,369,385,920.53
  5. Step 5: Solve for x
    x = 7,369,385,920.53/99,170.10
  6. Step 6: Final answer
    x = 74,310.56

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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.