Home / 86,773.20-130,159.92-26,802.96

Finding the Fourth Proportional to 86,773.20, 130,159.92 and 26,802.96

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Solution

The fourth proportional to 86,773.20, 130,159.92 and 26,802.96 is: 40,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,773.20 : 130,159.92 = 26,802.96 : x
  2. Step 2: Convert to fraction form
    86,773.20/130,159.92 = 26,802.96/x
  3. Step 3: Cross multiply
    86,773.20x = 130,159.92 × 26,802.96
  4. Step 4: Simplify right side
    86,773.20x = 3,488,671,129.36
  5. Step 5: Solve for x
    x = 3,488,671,129.36/86,773.20
  6. Step 6: Final answer
    x = 40,204.48

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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.