Home / 124,766.23-172,177.85-68,177.61

Finding the Fourth Proportional to 124,766.23, 172,177.85 and 68,177.61

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Solution

The fourth proportional to 124,766.23, 172,177.85 and 68,177.61 is: 94,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,766.23 : 172,177.85 = 68,177.61 : x
  2. Step 2: Convert to fraction form
    124,766.23/172,177.85 = 68,177.61/x
  3. Step 3: Cross multiply
    124,766.23x = 172,177.85 × 68,177.61
  4. Step 4: Simplify right side
    124,766.23x = 11,738,674,307.94
  5. Step 5: Solve for x
    x = 11,738,674,307.94/124,766.23
  6. Step 6: Final answer
    x = 94,085.35

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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.