Home / 86,922.42-130,360.92-30,757.02

Finding the Fourth Proportional to 86,922.42, 130,360.92 and 30,757.02

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Solution

The fourth proportional to 86,922.42, 130,360.92 and 30,757.02 is: 46,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.42 : 130,360.92 = 30,757.02 : x
  2. Step 2: Convert to fraction form
    86,922.42/130,360.92 = 30,757.02/x
  3. Step 3: Cross multiply
    86,922.42x = 130,360.92 × 30,757.02
  4. Step 4: Simplify right side
    86,922.42x = 4,009,513,423.66
  5. Step 5: Solve for x
    x = 4,009,513,423.66/86,922.42
  6. Step 6: Final answer
    x = 46,127.49

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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.