Home / 106,472.12-146,931.25-61,153.04

Finding the Fourth Proportional to 106,472.12, 146,931.25 and 61,153.04

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Solution

The fourth proportional to 106,472.12, 146,931.25 and 61,153.04 is: 84,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,472.12 : 146,931.25 = 61,153.04 : x
  2. Step 2: Convert to fraction form
    106,472.12/146,931.25 = 61,153.04/x
  3. Step 3: Cross multiply
    106,472.12x = 146,931.25 × 61,153.04
  4. Step 4: Simplify right side
    106,472.12x = 8,985,292,822.95
  5. Step 5: Solve for x
    x = 8,985,292,822.95/106,472.12
  6. Step 6: Final answer
    x = 84,391.04

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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.