Home / 71,464.95-98,614.67-39,633.17

Finding the Fourth Proportional to 71,464.95, 98,614.67 and 39,633.17

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Solution

The fourth proportional to 71,464.95, 98,614.67 and 39,633.17 is: 54,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,464.95 : 98,614.67 = 39,633.17 : x
  2. Step 2: Convert to fraction form
    71,464.95/98,614.67 = 39,633.17/x
  3. Step 3: Cross multiply
    71,464.95x = 98,614.67 × 39,633.17
  4. Step 4: Simplify right side
    71,464.95x = 3,908,411,289.36
  5. Step 5: Solve for x
    x = 3,908,411,289.36/71,464.95
  6. Step 6: Final answer
    x = 54,689.90

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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.