Home / 86,510.12-129,758.70-24,185.48

Finding the Fourth Proportional to 86,510.12, 129,758.70 and 24,185.48

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Solution

The fourth proportional to 86,510.12, 129,758.70 and 24,185.48 is: 36,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,510.12 : 129,758.70 = 24,185.48 : x
  2. Step 2: Convert to fraction form
    86,510.12/129,758.70 = 24,185.48/x
  3. Step 3: Cross multiply
    86,510.12x = 129,758.70 × 24,185.48
  4. Step 4: Simplify right side
    86,510.12x = 3,138,276,443.68
  5. Step 5: Solve for x
    x = 3,138,276,443.68/86,510.12
  6. Step 6: Final answer
    x = 36,276.41

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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.