Home / 124,749.30-172,164.24-71,051.16

Finding the Fourth Proportional to 124,749.30, 172,164.24 and 71,051.16

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Solution

The fourth proportional to 124,749.30, 172,164.24 and 71,051.16 is: 98,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,749.30 : 172,164.24 = 71,051.16 : x
  2. Step 2: Convert to fraction form
    124,749.30/172,164.24 = 71,051.16/x
  3. Step 3: Cross multiply
    124,749.30x = 172,164.24 × 71,051.16
  4. Step 4: Simplify right side
    124,749.30x = 12,232,468,962.52
  5. Step 5: Solve for x
    x = 12,232,468,962.52/124,749.30
  6. Step 6: Final answer
    x = 98,056.41

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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.