Home / 125,544.45-173,281.47-71,860.59

Finding the Fourth Proportional to 125,544.45, 173,281.47 and 71,860.59

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Solution

The fourth proportional to 125,544.45, 173,281.47 and 71,860.59 is: 99,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,544.45 : 173,281.47 = 71,860.59 : x
  2. Step 2: Convert to fraction form
    125,544.45/173,281.47 = 71,860.59/x
  3. Step 3: Cross multiply
    125,544.45x = 173,281.47 × 71,860.59
  4. Step 4: Simplify right side
    125,544.45x = 12,452,107,444.56
  5. Step 5: Solve for x
    x = 12,452,107,444.56/125,544.45
  6. Step 6: Final answer
    x = 99,184.85

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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.