Home / 125,713.46-173,494.42-72,015.77

Finding the Fourth Proportional to 125,713.46, 173,494.42 and 72,015.77

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Solution

The fourth proportional to 125,713.46, 173,494.42 and 72,015.77 is: 99,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,713.46 : 173,494.42 = 72,015.77 : x
  2. Step 2: Convert to fraction form
    125,713.46/173,494.42 = 72,015.77/x
  3. Step 3: Cross multiply
    125,713.46x = 173,494.42 × 72,015.77
  4. Step 4: Simplify right side
    125,713.46x = 12,494,334,247.00
  5. Step 5: Solve for x
    x = 12,494,334,247.00/125,713.46
  6. Step 6: Final answer
    x = 99,387.40

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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.