Home / 86,588.48-129,875.40-27,415.52

Finding the Fourth Proportional to 86,588.48, 129,875.40 and 27,415.52

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Solution

The fourth proportional to 86,588.48, 129,875.40 and 27,415.52 is: 41,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,588.48 : 129,875.40 = 27,415.52 : x
  2. Step 2: Convert to fraction form
    86,588.48/129,875.40 = 27,415.52/x
  3. Step 3: Cross multiply
    86,588.48x = 129,875.40 × 27,415.52
  4. Step 4: Simplify right side
    86,588.48x = 3,560,601,626.21
  5. Step 5: Solve for x
    x = 3,560,601,626.21/86,588.48
  6. Step 6: Final answer
    x = 41,120.96

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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.