Home / 109,074.76-163,610.91-42,561.61

Finding the Fourth Proportional to 109,074.76, 163,610.91 and 42,561.61

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Solution

The fourth proportional to 109,074.76, 163,610.91 and 42,561.61 is: 63,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,074.76 : 163,610.91 = 42,561.61 : x
  2. Step 2: Convert to fraction form
    109,074.76/163,610.91 = 42,561.61/x
  3. Step 3: Cross multiply
    109,074.76x = 163,610.91 × 42,561.61
  4. Step 4: Simplify right side
    109,074.76x = 6,963,543,334.14
  5. Step 5: Solve for x
    x = 6,963,543,334.14/109,074.76
  6. Step 6: Final answer
    x = 63,841.93

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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.