Home / 77,442.08-116,073.12-35,258.72

Finding the Fourth Proportional to 77,442.08, 116,073.12 and 35,258.72

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Solution

The fourth proportional to 77,442.08, 116,073.12 and 35,258.72 is: 52,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,442.08 : 116,073.12 = 35,258.72 : x
  2. Step 2: Convert to fraction form
    77,442.08/116,073.12 = 35,258.72/x
  3. Step 3: Cross multiply
    77,442.08x = 116,073.12 × 35,258.72
  4. Step 4: Simplify right side
    77,442.08x = 4,092,589,637.61
  5. Step 5: Solve for x
    x = 4,092,589,637.61/77,442.08
  6. Step 6: Final answer
    x = 52,847.10

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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.