Home / 99,076.23-136,691.87-56,604.69

Finding the Fourth Proportional to 99,076.23, 136,691.87 and 56,604.69

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Solution

The fourth proportional to 99,076.23, 136,691.87 and 56,604.69 is: 78,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.23 : 136,691.87 = 56,604.69 : x
  2. Step 2: Convert to fraction form
    99,076.23/136,691.87 = 56,604.69/x
  3. Step 3: Cross multiply
    99,076.23x = 136,691.87 × 56,604.69
  4. Step 4: Simplify right side
    99,076.23x = 7,737,400,643.85
  5. Step 5: Solve for x
    x = 7,737,400,643.85/99,076.23
  6. Step 6: Final answer
    x = 78,095.43

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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.