Home / 71,591.06-98,901.78-47,119.58

Finding the Fourth Proportional to 71,591.06, 98,901.78 and 47,119.58

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Solution

The fourth proportional to 71,591.06, 98,901.78 and 47,119.58 is: 65,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,591.06 : 98,901.78 = 47,119.58 : x
  2. Step 2: Convert to fraction form
    71,591.06/98,901.78 = 47,119.58/x
  3. Step 3: Cross multiply
    71,591.06x = 98,901.78 × 47,119.58
  4. Step 4: Simplify right side
    71,591.06x = 4,660,210,334.85
  5. Step 5: Solve for x
    x = 4,660,210,334.85/71,591.06
  6. Step 6: Final answer
    x = 65,094.86

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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.