Home / 125,829.48-173,643.84-69,240.72

Finding the Fourth Proportional to 125,829.48, 173,643.84 and 69,240.72

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Solution

The fourth proportional to 125,829.48, 173,643.84 and 69,240.72 is: 95,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,829.48 : 173,643.84 = 69,240.72 : x
  2. Step 2: Convert to fraction form
    125,829.48/173,643.84 = 69,240.72/x
  3. Step 3: Cross multiply
    125,829.48x = 173,643.84 × 69,240.72
  4. Step 4: Simplify right side
    125,829.48x = 12,023,224,505.16
  5. Step 5: Solve for x
    x = 12,023,224,505.16/125,829.48
  6. Step 6: Final answer
    x = 95,551.73

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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.