Home / 124,751.48-172,157.30-71,036.54

Finding the Fourth Proportional to 124,751.48, 172,157.30 and 71,036.54

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Solution

The fourth proportional to 124,751.48, 172,157.30 and 71,036.54 is: 98,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,751.48 : 172,157.30 = 71,036.54 : x
  2. Step 2: Convert to fraction form
    124,751.48/172,157.30 = 71,036.54/x
  3. Step 3: Cross multiply
    124,751.48x = 172,157.30 × 71,036.54
  4. Step 4: Simplify right side
    124,751.48x = 12,229,458,244.55
  5. Step 5: Solve for x
    x = 12,229,458,244.55/124,751.48
  6. Step 6: Final answer
    x = 98,030.57

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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.