Home / 86,945.34-130,436.61-26,972.52

Finding the Fourth Proportional to 86,945.34, 130,436.61 and 26,972.52

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Solution

The fourth proportional to 86,945.34, 130,436.61 and 26,972.52 is: 40,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,945.34 : 130,436.61 = 26,972.52 : x
  2. Step 2: Convert to fraction form
    86,945.34/130,436.61 = 26,972.52/x
  3. Step 3: Cross multiply
    86,945.34x = 130,436.61 × 26,972.52
  4. Step 4: Simplify right side
    86,945.34x = 3,518,204,071.96
  5. Step 5: Solve for x
    x = 3,518,204,071.96/86,945.34
  6. Step 6: Final answer
    x = 40,464.55

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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.