Home / 117,554.60-176,330.64-47,432.72

Finding the Fourth Proportional to 117,554.60, 176,330.64 and 47,432.72

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Solution

The fourth proportional to 117,554.60, 176,330.64 and 47,432.72 is: 71,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.60 : 176,330.64 = 47,432.72 : x
  2. Step 2: Convert to fraction form
    117,554.60/176,330.64 = 47,432.72/x
  3. Step 3: Cross multiply
    117,554.60x = 176,330.64 × 47,432.72
  4. Step 4: Simplify right side
    117,554.60x = 8,363,841,874.54
  5. Step 5: Solve for x
    x = 8,363,841,874.54/117,554.60
  6. Step 6: Final answer
    x = 71,148.57

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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.