Home / 74,461.74-102,715.56-45,761.43

Finding the Fourth Proportional to 74,461.74, 102,715.56 and 45,761.43

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Solution

The fourth proportional to 74,461.74, 102,715.56 and 45,761.43 is: 63,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,461.74 : 102,715.56 = 45,761.43 : x
  2. Step 2: Convert to fraction form
    74,461.74/102,715.56 = 45,761.43/x
  3. Step 3: Cross multiply
    74,461.74x = 102,715.56 × 45,761.43
  4. Step 4: Simplify right side
    74,461.74x = 4,700,410,908.85
  5. Step 5: Solve for x
    x = 4,700,410,908.85/74,461.74
  6. Step 6: Final answer
    x = 63,125.18

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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.