Home / 108,095.50-149,159.64-62,767.90

Finding the Fourth Proportional to 108,095.50, 149,159.64 and 62,767.90

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Solution

The fourth proportional to 108,095.50, 149,159.64 and 62,767.90 is: 86,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,095.50 : 149,159.64 = 62,767.90 : x
  2. Step 2: Convert to fraction form
    108,095.50/149,159.64 = 62,767.90/x
  3. Step 3: Cross multiply
    108,095.50x = 149,159.64 × 62,767.90
  4. Step 4: Simplify right side
    108,095.50x = 9,362,437,367.56
  5. Step 5: Solve for x
    x = 9,362,437,367.56/108,095.50
  6. Step 6: Final answer
    x = 86,612.65

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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.