Home / 125,035.72-172,549.50-67,675.07

Finding the Fourth Proportional to 125,035.72, 172,549.50 and 67,675.07

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Solution

The fourth proportional to 125,035.72, 172,549.50 and 67,675.07 is: 93,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,035.72 : 172,549.50 = 67,675.07 : x
  2. Step 2: Convert to fraction form
    125,035.72/172,549.50 = 67,675.07/x
  3. Step 3: Cross multiply
    125,035.72x = 172,549.50 × 67,675.07
  4. Step 4: Simplify right side
    125,035.72x = 11,677,299,490.97
  5. Step 5: Solve for x
    x = 11,677,299,490.97/125,035.72
  6. Step 6: Final answer
    x = 93,391.71

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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.