Home / 76,702.06-115,031.76-32,302.72

Finding the Fourth Proportional to 76,702.06, 115,031.76 and 32,302.72

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Solution

The fourth proportional to 76,702.06, 115,031.76 and 32,302.72 is: 48,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,702.06 : 115,031.76 = 32,302.72 : x
  2. Step 2: Convert to fraction form
    76,702.06/115,031.76 = 32,302.72/x
  3. Step 3: Cross multiply
    76,702.06x = 115,031.76 × 32,302.72
  4. Step 4: Simplify right side
    76,702.06x = 3,715,838,734.39
  5. Step 5: Solve for x
    x = 3,715,838,734.39/76,702.06
  6. Step 6: Final answer
    x = 48,445.10

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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.