Home / 117,502.40-162,153.42-63,787.38

Finding the Fourth Proportional to 117,502.40, 162,153.42 and 63,787.38

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Solution

The fourth proportional to 117,502.40, 162,153.42 and 63,787.38 is: 88,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,502.40 : 162,153.42 = 63,787.38 : x
  2. Step 2: Convert to fraction form
    117,502.40/162,153.42 = 63,787.38/x
  3. Step 3: Cross multiply
    117,502.40x = 162,153.42 × 63,787.38
  4. Step 4: Simplify right side
    117,502.40x = 10,343,341,819.84
  5. Step 5: Solve for x
    x = 10,343,341,819.84/117,502.40
  6. Step 6: Final answer
    x = 88,026.64

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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.