Home / 107,455.78-148,282.17-59,706.34

Finding the Fourth Proportional to 107,455.78, 148,282.17 and 59,706.34

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Solution

The fourth proportional to 107,455.78, 148,282.17 and 59,706.34 is: 82,390.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,455.78 : 148,282.17 = 59,706.34 : x
  2. Step 2: Convert to fraction form
    107,455.78/148,282.17 = 59,706.34/x
  3. Step 3: Cross multiply
    107,455.78x = 148,282.17 × 59,706.34
  4. Step 4: Simplify right side
    107,455.78x = 8,853,385,657.96
  5. Step 5: Solve for x
    x = 8,853,385,657.96/107,455.78
  6. Step 6: Final answer
    x = 82,390.97

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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.