Home / 99,005.46-136,572.39-58,680.42

Finding the Fourth Proportional to 99,005.46, 136,572.39 and 58,680.42

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Solution

The fourth proportional to 99,005.46, 136,572.39 and 58,680.42 is: 80,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,005.46 : 136,572.39 = 58,680.42 : x
  2. Step 2: Convert to fraction form
    99,005.46/136,572.39 = 58,680.42/x
  3. Step 3: Cross multiply
    99,005.46x = 136,572.39 × 58,680.42
  4. Step 4: Simplify right side
    99,005.46x = 8,014,125,205.60
  5. Step 5: Solve for x
    x = 8,014,125,205.60/99,005.46
  6. Step 6: Final answer
    x = 80,946.30

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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.