Home / 86,853.72-130,290.02-27,675.48

Finding the Fourth Proportional to 86,853.72, 130,290.02 and 27,675.48

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Solution

The fourth proportional to 86,853.72, 130,290.02 and 27,675.48 is: 41,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,853.72 : 130,290.02 = 27,675.48 : x
  2. Step 2: Convert to fraction form
    86,853.72/130,290.02 = 27,675.48/x
  3. Step 3: Cross multiply
    86,853.72x = 130,290.02 × 27,675.48
  4. Step 4: Simplify right side
    86,853.72x = 3,605,838,842.71
  5. Step 5: Solve for x
    x = 3,605,838,842.71/86,853.72
  6. Step 6: Final answer
    x = 41,516.23

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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.