Home / 106,402.90-146,836.98-58,657.96

Finding the Fourth Proportional to 106,402.90, 146,836.98 and 58,657.96

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Solution

The fourth proportional to 106,402.90, 146,836.98 and 58,657.96 is: 80,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,402.90 : 146,836.98 = 58,657.96 : x
  2. Step 2: Convert to fraction form
    106,402.90/146,836.98 = 58,657.96/x
  3. Step 3: Cross multiply
    106,402.90x = 146,836.98 × 58,657.96
  4. Step 4: Simplify right side
    106,402.90x = 8,613,157,056.95
  5. Step 5: Solve for x
    x = 8,613,157,056.95/106,402.90
  6. Step 6: Final answer
    x = 80,948.52

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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.