Home / 86,810.06-130,218.87-42,474.14

Finding the Fourth Proportional to 86,810.06, 130,218.87 and 42,474.14

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Solution

The fourth proportional to 86,810.06, 130,218.87 and 42,474.14 is: 63,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,810.06 : 130,218.87 = 42,474.14 : x
  2. Step 2: Convert to fraction form
    86,810.06/130,218.87 = 42,474.14/x
  3. Step 3: Cross multiply
    86,810.06x = 130,218.87 × 42,474.14
  4. Step 4: Simplify right side
    86,810.06x = 5,530,934,515.02
  5. Step 5: Solve for x
    x = 5,530,934,515.02/86,810.06
  6. Step 6: Final answer
    x = 63,713.06

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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.