Home / 77,546.20-107,011.06-47,382.01

Finding the Fourth Proportional to 77,546.20, 107,011.06 and 47,382.01

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Solution

The fourth proportional to 77,546.20, 107,011.06 and 47,382.01 is: 65,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,546.20 : 107,011.06 = 47,382.01 : x
  2. Step 2: Convert to fraction form
    77,546.20/107,011.06 = 47,382.01/x
  3. Step 3: Cross multiply
    77,546.20x = 107,011.06 × 47,382.01
  4. Step 4: Simplify right side
    77,546.20x = 5,070,399,441.79
  5. Step 5: Solve for x
    x = 5,070,399,441.79/77,546.20
  6. Step 6: Final answer
    x = 65,385.53

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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.