Home / 125,631.06-173,368.86-69,041.22

Finding the Fourth Proportional to 125,631.06, 173,368.86 and 69,041.22

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Solution

The fourth proportional to 125,631.06, 173,368.86 and 69,041.22 is: 95,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,631.06 : 173,368.86 = 69,041.22 : x
  2. Step 2: Convert to fraction form
    125,631.06/173,368.86 = 69,041.22/x
  3. Step 3: Cross multiply
    125,631.06x = 173,368.86 × 69,041.22
  4. Step 4: Simplify right side
    125,631.06x = 11,969,597,604.41
  5. Step 5: Solve for x
    x = 11,969,597,604.41/125,631.06
  6. Step 6: Final answer
    x = 95,275.78

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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.