Home / 117,738.18-162,478.98-64,023.17

Finding the Fourth Proportional to 117,738.18, 162,478.98 and 64,023.17

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Solution

The fourth proportional to 117,738.18, 162,478.98 and 64,023.17 is: 88,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,738.18 : 162,478.98 = 64,023.17 : x
  2. Step 2: Convert to fraction form
    117,738.18/162,478.98 = 64,023.17/x
  3. Step 3: Cross multiply
    117,738.18x = 162,478.98 × 64,023.17
  4. Step 4: Simplify right side
    117,738.18x = 10,402,418,545.57
  5. Step 5: Solve for x
    x = 10,402,418,545.57/117,738.18
  6. Step 6: Final answer
    x = 88,352.13

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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.