Home / 86,210.70-129,316.20-27,050.91

Finding the Fourth Proportional to 86,210.70, 129,316.20 and 27,050.91

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Solution

The fourth proportional to 86,210.70, 129,316.20 and 27,050.91 is: 40,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,210.70 : 129,316.20 = 27,050.91 : x
  2. Step 2: Convert to fraction form
    86,210.70/129,316.20 = 27,050.91/x
  3. Step 3: Cross multiply
    86,210.70x = 129,316.20 × 27,050.91
  4. Step 4: Simplify right side
    86,210.70x = 3,498,120,887.74
  5. Step 5: Solve for x
    x = 3,498,120,887.74/86,210.70
  6. Step 6: Final answer
    x = 40,576.41

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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.