Home / 86,740.16-130,110.24-27,575.84

Finding the Fourth Proportional to 86,740.16, 130,110.24 and 27,575.84

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Solution

The fourth proportional to 86,740.16, 130,110.24 and 27,575.84 is: 41,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,740.16 : 130,110.24 = 27,575.84 : x
  2. Step 2: Convert to fraction form
    86,740.16/130,110.24 = 27,575.84/x
  3. Step 3: Cross multiply
    86,740.16x = 130,110.24 × 27,575.84
  4. Step 4: Simplify right side
    86,740.16x = 3,587,899,160.60
  5. Step 5: Solve for x
    x = 3,587,899,160.60/86,740.16
  6. Step 6: Final answer
    x = 41,363.76

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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.