Home / 124,741.92-172,147.72-68,152.08

Finding the Fourth Proportional to 124,741.92, 172,147.72 and 68,152.08

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Solution

The fourth proportional to 124,741.92, 172,147.72 and 68,152.08 is: 94,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,741.92 : 172,147.72 = 68,152.08 : x
  2. Step 2: Convert to fraction form
    124,741.92/172,147.72 = 68,152.08/x
  3. Step 3: Cross multiply
    124,741.92x = 172,147.72 × 68,152.08
  4. Step 4: Simplify right side
    124,741.92x = 11,732,225,185.26
  5. Step 5: Solve for x
    x = 11,732,225,185.26/124,741.92
  6. Step 6: Final answer
    x = 94,051.98

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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.