Home / 57,077.10-78,766.38-31,926.60

Finding the Fourth Proportional to 57,077.10, 78,766.38 and 31,926.60

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Solution

The fourth proportional to 57,077.10, 78,766.38 and 31,926.60 is: 44,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077.10 : 78,766.38 = 31,926.60 : x
  2. Step 2: Convert to fraction form
    57,077.10/78,766.38 = 31,926.60/x
  3. Step 3: Cross multiply
    57,077.10x = 78,766.38 × 31,926.60
  4. Step 4: Simplify right side
    57,077.10x = 2,514,742,707.71
  5. Step 5: Solve for x
    x = 2,514,742,707.71/57,077.10
  6. Step 6: Final answer
    x = 44,058.70

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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.