Home / 57,235.65-78,969.09-45,098.49

Finding the Fourth Proportional to 57,235.65, 78,969.09 and 45,098.49

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Solution

The fourth proportional to 57,235.65, 78,969.09 and 45,098.49 is: 62,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,235.65 : 78,969.09 = 45,098.49 : x
  2. Step 2: Convert to fraction form
    57,235.65/78,969.09 = 45,098.49/x
  3. Step 3: Cross multiply
    57,235.65x = 78,969.09 × 45,098.49
  4. Step 4: Simplify right side
    57,235.65x = 3,561,386,715.67
  5. Step 5: Solve for x
    x = 3,561,386,715.67/57,235.65
  6. Step 6: Final answer
    x = 62,223.22

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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.