Home / 86,767.72-130,156.14-24,443.08

Finding the Fourth Proportional to 86,767.72, 130,156.14 and 24,443.08

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Solution

The fourth proportional to 86,767.72, 130,156.14 and 24,443.08 is: 36,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,767.72 : 130,156.14 = 24,443.08 : x
  2. Step 2: Convert to fraction form
    86,767.72/130,156.14 = 24,443.08/x
  3. Step 3: Cross multiply
    86,767.72x = 130,156.14 × 24,443.08
  4. Step 4: Simplify right side
    86,767.72x = 3,181,416,942.51
  5. Step 5: Solve for x
    x = 3,181,416,942.51/86,767.72
  6. Step 6: Final answer
    x = 36,665.90

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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.