Home / 86,719.65-130,051.79-27,541.48

Finding the Fourth Proportional to 86,719.65, 130,051.79 and 27,541.48

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Solution

The fourth proportional to 86,719.65, 130,051.79 and 27,541.48 is: 41,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,719.65 : 130,051.79 = 27,541.48 : x
  2. Step 2: Convert to fraction form
    86,719.65/130,051.79 = 27,541.48/x
  3. Step 3: Cross multiply
    86,719.65x = 130,051.79 × 27,541.48
  4. Step 4: Simplify right side
    86,719.65x = 3,581,818,812.46
  5. Step 5: Solve for x
    x = 3,581,818,812.46/86,719.65
  6. Step 6: Final answer
    x = 41,303.43

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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.