Home / 56,564.16-78,070.12-32,687.66

Finding the Fourth Proportional to 56,564.16, 78,070.12 and 32,687.66

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Solution

The fourth proportional to 56,564.16, 78,070.12 and 32,687.66 is: 45,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,564.16 : 78,070.12 = 32,687.66 : x
  2. Step 2: Convert to fraction form
    56,564.16/78,070.12 = 32,687.66/x
  3. Step 3: Cross multiply
    56,564.16x = 78,070.12 × 32,687.66
  4. Step 4: Simplify right side
    56,564.16x = 2,551,929,538.72
  5. Step 5: Solve for x
    x = 2,551,929,538.72/56,564.16
  6. Step 6: Final answer
    x = 45,115.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.