Home / 51,720.59-71,382.73-48,343.74

Finding the Fourth Proportional to 51,720.59, 71,382.73 and 48,343.74

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Solution

The fourth proportional to 51,720.59, 71,382.73 and 48,343.74 is: 66,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.59 : 71,382.73 = 48,343.74 : x
  2. Step 2: Convert to fraction form
    51,720.59/71,382.73 = 48,343.74/x
  3. Step 3: Cross multiply
    51,720.59x = 71,382.73 × 48,343.74
  4. Step 4: Simplify right side
    51,720.59x = 3,450,908,139.61
  5. Step 5: Solve for x
    x = 3,450,908,139.61/51,720.59
  6. Step 6: Final answer
    x = 66,722.13

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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.