Home / 125,111.56-172,658.10-68,526.04

Finding the Fourth Proportional to 125,111.56, 172,658.10 and 68,526.04

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Solution

The fourth proportional to 125,111.56, 172,658.10 and 68,526.04 is: 94,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,111.56 : 172,658.10 = 68,526.04 : x
  2. Step 2: Convert to fraction form
    125,111.56/172,658.10 = 68,526.04/x
  3. Step 3: Cross multiply
    125,111.56x = 172,658.10 × 68,526.04
  4. Step 4: Simplify right side
    125,111.56x = 11,831,575,866.92
  5. Step 5: Solve for x
    x = 11,831,575,866.92/125,111.56
  6. Step 6: Final answer
    x = 94,568.21

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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.