Home / 112,773.79-169,095.09-42,658.57

Finding the Fourth Proportional to 112,773.79, 169,095.09 and 42,658.57

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Solution

The fourth proportional to 112,773.79, 169,095.09 and 42,658.57 is: 63,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,773.79 : 169,095.09 = 42,658.57 : x
  2. Step 2: Convert to fraction form
    112,773.79/169,095.09 = 42,658.57/x
  3. Step 3: Cross multiply
    112,773.79x = 169,095.09 × 42,658.57
  4. Step 4: Simplify right side
    112,773.79x = 7,213,354,733.42
  5. Step 5: Solve for x
    x = 7,213,354,733.42/112,773.79
  6. Step 6: Final answer
    x = 63,963.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.