Home / 125,542.76-173,206.86-71,087.48

Finding the Fourth Proportional to 125,542.76, 173,206.86 and 71,087.48

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Solution

The fourth proportional to 125,542.76, 173,206.86 and 71,087.48 is: 98,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,542.76 : 173,206.86 = 71,087.48 : x
  2. Step 2: Convert to fraction form
    125,542.76/173,206.86 = 71,087.48/x
  3. Step 3: Cross multiply
    125,542.76x = 173,206.86 × 71,087.48
  4. Step 4: Simplify right side
    125,542.76x = 12,312,839,196.11
  5. Step 5: Solve for x
    x = 12,312,839,196.11/125,542.76
  6. Step 6: Final answer
    x = 98,076.86

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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.