Home / 125,639.76-173,382.96-69,051.12

Finding the Fourth Proportional to 125,639.76, 173,382.96 and 69,051.12

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Solution

The fourth proportional to 125,639.76, 173,382.96 and 69,051.12 is: 95,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639.76 : 173,382.96 = 69,051.12 : x
  2. Step 2: Convert to fraction form
    125,639.76/173,382.96 = 69,051.12/x
  3. Step 3: Cross multiply
    125,639.76x = 173,382.96 × 69,051.12
  4. Step 4: Simplify right side
    125,639.76x = 11,972,287,576.92
  5. Step 5: Solve for x
    x = 11,972,287,576.92/125,639.76
  6. Step 6: Final answer
    x = 95,290.60

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1.5x scale

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.