Home / 86,695.62-130,052.08-23,516.78

Finding the Fourth Proportional to 86,695.62, 130,052.08 and 23,516.78

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Solution

The fourth proportional to 86,695.62, 130,052.08 and 23,516.78 is: 35,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,695.62 : 130,052.08 = 23,516.78 : x
  2. Step 2: Convert to fraction form
    86,695.62/130,052.08 = 23,516.78/x
  3. Step 3: Cross multiply
    86,695.62x = 130,052.08 × 23,516.78
  4. Step 4: Simplify right side
    86,695.62x = 3,058,406,264.58
  5. Step 5: Solve for x
    x = 3,058,406,264.58/86,695.62
  6. Step 6: Final answer
    x = 35,277.52

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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.