Home / 99,013.52-136,590.36-56,560.88

Finding the Fourth Proportional to 99,013.52, 136,590.36 and 56,560.88

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Solution

The fourth proportional to 99,013.52, 136,590.36 and 56,560.88 is: 78,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,013.52 : 136,590.36 = 56,560.88 : x
  2. Step 2: Convert to fraction form
    99,013.52/136,590.36 = 56,560.88/x
  3. Step 3: Cross multiply
    99,013.52x = 136,590.36 × 56,560.88
  4. Step 4: Simplify right side
    99,013.52x = 7,725,670,961.12
  5. Step 5: Solve for x
    x = 7,725,670,961.12/99,013.52
  6. Step 6: Final answer
    x = 78,026.42

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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.