Home / 86,418.95-129,587.09-44,319.20

Finding the Fourth Proportional to 86,418.95, 129,587.09 and 44,319.20

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Solution

The fourth proportional to 86,418.95, 129,587.09 and 44,319.20 is: 66,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,418.95 : 129,587.09 = 44,319.20 : x
  2. Step 2: Convert to fraction form
    86,418.95/129,587.09 = 44,319.20/x
  3. Step 3: Cross multiply
    86,418.95x = 129,587.09 × 44,319.20
  4. Step 4: Simplify right side
    86,418.95x = 5,743,195,289.60
  5. Step 5: Solve for x
    x = 5,743,195,289.60/86,418.95
  6. Step 6: Final answer
    x = 66,457.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.