Home / 124,895.94-172,357.75-68,306.10

Finding the Fourth Proportional to 124,895.94, 172,357.75 and 68,306.10

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Solution

The fourth proportional to 124,895.94, 172,357.75 and 68,306.10 is: 94,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,895.94 : 172,357.75 = 68,306.10 : x
  2. Step 2: Convert to fraction form
    124,895.94/172,357.75 = 68,306.10/x
  3. Step 3: Cross multiply
    124,895.94x = 172,357.75 × 68,306.10
  4. Step 4: Simplify right side
    124,895.94x = 11,773,085,707.28
  5. Step 5: Solve for x
    x = 11,773,085,707.28/124,895.94
  6. Step 6: Final answer
    x = 94,263.16

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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.