Home / 86,825.04-130,237.56-27,660.88

Finding the Fourth Proportional to 86,825.04, 130,237.56 and 27,660.88

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Solution

The fourth proportional to 86,825.04, 130,237.56 and 27,660.88 is: 41,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,825.04 : 130,237.56 = 27,660.88 : x
  2. Step 2: Convert to fraction form
    86,825.04/130,237.56 = 27,660.88/x
  3. Step 3: Cross multiply
    86,825.04x = 130,237.56 × 27,660.88
  4. Step 4: Simplify right side
    86,825.04x = 3,602,485,518.65
  5. Step 5: Solve for x
    x = 3,602,485,518.65/86,825.04
  6. Step 6: Final answer
    x = 41,491.32

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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.