Home / 86,254.12-129,341.50-44,730.28

Finding the Fourth Proportional to 86,254.12, 129,341.50 and 44,730.28

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Solution

The fourth proportional to 86,254.12, 129,341.50 and 44,730.28 is: 67,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,254.12 : 129,341.50 = 44,730.28 : x
  2. Step 2: Convert to fraction form
    86,254.12/129,341.50 = 44,730.28/x
  3. Step 3: Cross multiply
    86,254.12x = 129,341.50 × 44,730.28
  4. Step 4: Simplify right side
    86,254.12x = 5,785,481,510.62
  5. Step 5: Solve for x
    x = 5,785,481,510.62/86,254.12
  6. Step 6: Final answer
    x = 67,074.84

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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.