Home / 125,748.12-173,532.54-69,158.28

Finding the Fourth Proportional to 125,748.12, 173,532.54 and 69,158.28

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Solution

The fourth proportional to 125,748.12, 173,532.54 and 69,158.28 is: 95,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,748.12 : 173,532.54 = 69,158.28 : x
  2. Step 2: Convert to fraction form
    125,748.12/173,532.54 = 69,158.28/x
  3. Step 3: Cross multiply
    125,748.12x = 173,532.54 × 69,158.28
  4. Step 4: Simplify right side
    125,748.12x = 12,001,211,990.43
  5. Step 5: Solve for x
    x = 12,001,211,990.43/125,748.12
  6. Step 6: Final answer
    x = 95,438.50

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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.