Home / 84,501.61-126,744.86-25,350.49

Finding the Fourth Proportional to 84,501.61, 126,744.86 and 25,350.49

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Solution

The fourth proportional to 84,501.61, 126,744.86 and 25,350.49 is: 38,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,501.61 : 126,744.86 = 25,350.49 : x
  2. Step 2: Convert to fraction form
    84,501.61/126,744.86 = 25,350.49/x
  3. Step 3: Cross multiply
    84,501.61x = 126,744.86 × 25,350.49
  4. Step 4: Simplify right side
    84,501.61x = 3,213,044,179.23
  5. Step 5: Solve for x
    x = 3,213,044,179.23/84,501.61
  6. Step 6: Final answer
    x = 38,023.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.