Home / 78,252.57-117,388.16-24,925.82

Finding the Fourth Proportional to 78,252.57, 117,388.16 and 24,925.82

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Solution

The fourth proportional to 78,252.57, 117,388.16 and 24,925.82 is: 37,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,252.57 : 117,388.16 = 24,925.82 : x
  2. Step 2: Convert to fraction form
    78,252.57/117,388.16 = 24,925.82/x
  3. Step 3: Cross multiply
    78,252.57x = 117,388.16 × 24,925.82
  4. Step 4: Simplify right side
    78,252.57x = 2,925,996,328.71
  5. Step 5: Solve for x
    x = 2,925,996,328.71/78,252.57
  6. Step 6: Final answer
    x = 37,391.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.