Home / 125,054.28-172,591.32-71,326.98

Finding the Fourth Proportional to 125,054.28, 172,591.32 and 71,326.98

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Solution

The fourth proportional to 125,054.28, 172,591.32 and 71,326.98 is: 98,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,054.28 : 172,591.32 = 71,326.98 : x
  2. Step 2: Convert to fraction form
    125,054.28/172,591.32 = 71,326.98/x
  3. Step 3: Cross multiply
    125,054.28x = 172,591.32 × 71,326.98
  4. Step 4: Simplify right side
    125,054.28x = 12,310,417,629.81
  5. Step 5: Solve for x
    x = 12,310,417,629.81/125,054.28
  6. Step 6: Final answer
    x = 98,440.59

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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.