Home / 102,537.60-153,691.20-52,598.40

Finding the Fourth Proportional to 102,537.60, 153,691.20 and 52,598.40

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Solution

The fourth proportional to 102,537.60, 153,691.20 and 52,598.40 is: 78,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,537.60 : 153,691.20 = 52,598.40 : x
  2. Step 2: Convert to fraction form
    102,537.60/153,691.20 = 52,598.40/x
  3. Step 3: Cross multiply
    102,537.60x = 153,691.20 × 52,598.40
  4. Step 4: Simplify right side
    102,537.60x = 8,083,911,214.08
  5. Step 5: Solve for x
    x = 8,083,911,214.08/102,537.60
  6. Step 6: Final answer
    x = 78,838.51

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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.