Home / 124,674.48-172,042.56-68,085.72

Finding the Fourth Proportional to 124,674.48, 172,042.56 and 68,085.72

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Solution

The fourth proportional to 124,674.48, 172,042.56 and 68,085.72 is: 93,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,674.48 : 172,042.56 = 68,085.72 : x
  2. Step 2: Convert to fraction form
    124,674.48/172,042.56 = 68,085.72/x
  3. Step 3: Cross multiply
    124,674.48x = 172,042.56 × 68,085.72
  4. Step 4: Simplify right side
    124,674.48x = 11,713,641,568.24
  5. Step 5: Solve for x
    x = 11,713,641,568.24/124,674.48
  6. Step 6: Final answer
    x = 93,953.80

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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.