Home / 125,729.86-173,464.73-71,276.19

Finding the Fourth Proportional to 125,729.86, 173,464.73 and 71,276.19

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Solution

The fourth proportional to 125,729.86, 173,464.73 and 71,276.19 is: 98,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,729.86 : 173,464.73 = 71,276.19 : x
  2. Step 2: Convert to fraction form
    125,729.86/173,464.73 = 71,276.19/x
  3. Step 3: Cross multiply
    125,729.86x = 173,464.73 × 71,276.19
  4. Step 4: Simplify right side
    125,729.86x = 12,363,905,053.78
  5. Step 5: Solve for x
    x = 12,363,905,053.78/125,729.86
  6. Step 6: Final answer
    x = 98,337.06

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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.