Home / 125,134.73-172,686.45-67,774.73

Finding the Fourth Proportional to 125,134.73, 172,686.45 and 67,774.73

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Solution

The fourth proportional to 125,134.73, 172,686.45 and 67,774.73 is: 93,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,134.73 : 172,686.45 = 67,774.73 : x
  2. Step 2: Convert to fraction form
    125,134.73/172,686.45 = 67,774.73/x
  3. Step 3: Cross multiply
    125,134.73x = 172,686.45 × 67,774.73
  4. Step 4: Simplify right side
    125,134.73x = 11,703,776,659.98
  5. Step 5: Solve for x
    x = 11,703,776,659.98/125,134.73
  6. Step 6: Final answer
    x = 93,529.41

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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.