Home / 76,487.02-114,691.10-34,330.96

Finding the Fourth Proportional to 76,487.02, 114,691.10 and 34,330.96

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Solution

The fourth proportional to 76,487.02, 114,691.10 and 34,330.96 is: 51,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,487.02 : 114,691.10 = 34,330.96 : x
  2. Step 2: Convert to fraction form
    76,487.02/114,691.10 = 34,330.96/x
  3. Step 3: Cross multiply
    76,487.02x = 114,691.10 × 34,330.96
  4. Step 4: Simplify right side
    76,487.02x = 3,937,455,566.46
  5. Step 5: Solve for x
    x = 3,937,455,566.46/76,487.02
  6. Step 6: Final answer
    x = 51,478.74

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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.