Home / 86,255.02-129,298.43-41,264.63

Finding the Fourth Proportional to 86,255.02, 129,298.43 and 41,264.63

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Solution

The fourth proportional to 86,255.02, 129,298.43 and 41,264.63 is: 61,856.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,255.02 : 129,298.43 = 41,264.63 : x
  2. Step 2: Convert to fraction form
    86,255.02/129,298.43 = 41,264.63/x
  3. Step 3: Cross multiply
    86,255.02x = 129,298.43 × 41,264.63
  4. Step 4: Simplify right side
    86,255.02x = 5,335,451,873.53
  5. Step 5: Solve for x
    x = 5,335,451,873.53/86,255.02
  6. Step 6: Final answer
    x = 61,856.71

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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.