Home / 86,944.85-130,435.86-26,972.01

Finding the Fourth Proportional to 86,944.85, 130,435.86 and 26,972.01

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Solution

The fourth proportional to 86,944.85, 130,435.86 and 26,972.01 is: 40,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,944.85 : 130,435.86 = 26,972.01 : x
  2. Step 2: Convert to fraction form
    86,944.85/130,435.86 = 26,972.01/x
  3. Step 3: Cross multiply
    86,944.85x = 130,435.86 × 26,972.01
  4. Step 4: Simplify right side
    86,944.85x = 3,518,117,320.28
  5. Step 5: Solve for x
    x = 3,518,117,320.28/86,944.85
  6. Step 6: Final answer
    x = 40,463.78

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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.