Home / 124,827.28-172,219.57-71,074.26

Finding the Fourth Proportional to 124,827.28, 172,219.57 and 71,074.26

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Solution

The fourth proportional to 124,827.28, 172,219.57 and 71,074.26 is: 98,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,827.28 : 172,219.57 = 71,074.26 : x
  2. Step 2: Convert to fraction form
    124,827.28/172,219.57 = 71,074.26/x
  3. Step 3: Cross multiply
    124,827.28x = 172,219.57 × 71,074.26
  4. Step 4: Simplify right side
    124,827.28x = 12,240,378,317.58
  5. Step 5: Solve for x
    x = 12,240,378,317.58/124,827.28
  6. Step 6: Final answer
    x = 98,058.52

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1.5x scale

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.