Home / 113,101.54-156,092.60-64,707.95

Finding the Fourth Proportional to 113,101.54, 156,092.60 and 64,707.95

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Solution

The fourth proportional to 113,101.54, 156,092.60 and 64,707.95 is: 89,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,101.54 : 156,092.60 = 64,707.95 : x
  2. Step 2: Convert to fraction form
    113,101.54/156,092.60 = 64,707.95/x
  3. Step 3: Cross multiply
    113,101.54x = 156,092.60 × 64,707.95
  4. Step 4: Simplify right side
    113,101.54x = 10,100,432,156.17
  5. Step 5: Solve for x
    x = 10,100,432,156.17/113,101.54
  6. Step 6: Final answer
    x = 89,304.11

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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.