Home / 116,422.18-174,508.93-66,394.55

Finding the Fourth Proportional to 116,422.18, 174,508.93 and 66,394.55

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Solution

The fourth proportional to 116,422.18, 174,508.93 and 66,394.55 is: 99,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,422.18 : 174,508.93 = 66,394.55 : x
  2. Step 2: Convert to fraction form
    116,422.18/174,508.93 = 66,394.55/x
  3. Step 3: Cross multiply
    116,422.18x = 174,508.93 × 66,394.55
  4. Step 4: Simplify right side
    116,422.18x = 11,586,442,397.60
  5. Step 5: Solve for x
    x = 11,586,442,397.60/116,422.18
  6. Step 6: Final answer
    x = 99,520.92

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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.