Home / 86,697.28-130,034.13-23,521.47

Finding the Fourth Proportional to 86,697.28, 130,034.13 and 23,521.47

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Solution

The fourth proportional to 86,697.28, 130,034.13 and 23,521.47 is: 35,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,697.28 : 130,034.13 = 23,521.47 : x
  2. Step 2: Convert to fraction form
    86,697.28/130,034.13 = 23,521.47/x
  3. Step 3: Cross multiply
    86,697.28x = 130,034.13 × 23,521.47
  4. Step 4: Simplify right side
    86,697.28x = 3,058,593,887.77
  5. Step 5: Solve for x
    x = 3,058,593,887.77/86,697.28
  6. Step 6: Final answer
    x = 35,279.01

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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.