Home / 115,442.40-173,077.20-62,911.20

Finding the Fourth Proportional to 115,442.40, 173,077.20 and 62,911.20

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Solution

The fourth proportional to 115,442.40, 173,077.20 and 62,911.20 is: 94,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442.40 : 173,077.20 = 62,911.20 : x
  2. Step 2: Convert to fraction form
    115,442.40/173,077.20 = 62,911.20/x
  3. Step 3: Cross multiply
    115,442.40x = 173,077.20 × 62,911.20
  4. Step 4: Simplify right side
    115,442.40x = 10,888,494,344.64
  5. Step 5: Solve for x
    x = 10,888,494,344.64/115,442.40
  6. Step 6: Final answer
    x = 94,319.72

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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.