Home / 124,928.04-172,396.26-71,230.35

Finding the Fourth Proportional to 124,928.04, 172,396.26 and 71,230.35

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Solution

The fourth proportional to 124,928.04, 172,396.26 and 71,230.35 is: 98,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,928.04 : 172,396.26 = 71,230.35 : x
  2. Step 2: Convert to fraction form
    124,928.04/172,396.26 = 71,230.35/x
  3. Step 3: Cross multiply
    124,928.04x = 172,396.26 × 71,230.35
  4. Step 4: Simplify right side
    124,928.04x = 12,279,845,938.49
  5. Step 5: Solve for x
    x = 12,279,845,938.49/124,928.04
  6. Step 6: Final answer
    x = 98,295.35

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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.