Home / 124,672.86-172,045.89-68,084.46

Finding the Fourth Proportional to 124,672.86, 172,045.89 and 68,084.46

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Solution

The fourth proportional to 124,672.86, 172,045.89 and 68,084.46 is: 93,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,672.86 : 172,045.89 = 68,084.46 : x
  2. Step 2: Convert to fraction form
    124,672.86/172,045.89 = 68,084.46/x
  3. Step 3: Cross multiply
    124,672.86x = 172,045.89 × 68,084.46
  4. Step 4: Simplify right side
    124,672.86x = 11,713,651,515.87
  5. Step 5: Solve for x
    x = 11,713,651,515.87/124,672.86
  6. Step 6: Final answer
    x = 93,955.10

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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.