Home / 71,436.95-98,581.47-41,219.90

Finding the Fourth Proportional to 71,436.95, 98,581.47 and 41,219.90

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Solution

The fourth proportional to 71,436.95, 98,581.47 and 41,219.90 is: 56,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,436.95 : 98,581.47 = 41,219.90 : x
  2. Step 2: Convert to fraction form
    71,436.95/98,581.47 = 41,219.90/x
  3. Step 3: Cross multiply
    71,436.95x = 98,581.47 × 41,219.90
  4. Step 4: Simplify right side
    71,436.95x = 4,063,518,335.25
  5. Step 5: Solve for x
    x = 4,063,518,335.25/71,436.95
  6. Step 6: Final answer
    x = 56,882.58

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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.