Home / 86,200.95-129,296.18-41,254.26

Finding the Fourth Proportional to 86,200.95, 129,296.18 and 41,254.26

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Solution

The fourth proportional to 86,200.95, 129,296.18 and 41,254.26 is: 61,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200.95 : 129,296.18 = 41,254.26 : x
  2. Step 2: Convert to fraction form
    86,200.95/129,296.18 = 41,254.26/x
  3. Step 3: Cross multiply
    86,200.95x = 129,296.18 × 41,254.26
  4. Step 4: Simplify right side
    86,200.95x = 5,334,018,020.46
  5. Step 5: Solve for x
    x = 5,334,018,020.46/86,200.95
  6. Step 6: Final answer
    x = 61,878.88

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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.