Home / 84,275.76-126,413.58-25,109.91

Finding the Fourth Proportional to 84,275.76, 126,413.58 and 25,109.91

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Solution

The fourth proportional to 84,275.76, 126,413.58 and 25,109.91 is: 37,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,275.76 : 126,413.58 = 25,109.91 : x
  2. Step 2: Convert to fraction form
    84,275.76/126,413.58 = 25,109.91/x
  3. Step 3: Cross multiply
    84,275.76x = 126,413.58 × 25,109.91
  4. Step 4: Simplify right side
    84,275.76x = 3,174,233,616.58
  5. Step 5: Solve for x
    x = 3,174,233,616.58/84,275.76
  6. Step 6: Final answer
    x = 37,664.85

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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.