Home / 86,717.42-130,073.15-36,765.35

Finding the Fourth Proportional to 86,717.42, 130,073.15 and 36,765.35

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Solution

The fourth proportional to 86,717.42, 130,073.15 and 36,765.35 is: 55,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,717.42 : 130,073.15 = 36,765.35 : x
  2. Step 2: Convert to fraction form
    86,717.42/130,073.15 = 36,765.35/x
  3. Step 3: Cross multiply
    86,717.42x = 130,073.15 × 36,765.35
  4. Step 4: Simplify right side
    86,717.42x = 4,782,184,326.90
  5. Step 5: Solve for x
    x = 4,782,184,326.90/86,717.42
  6. Step 6: Final answer
    x = 55,146.76

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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.