Home / 86,935.80-130,452.30-37,007.40

Finding the Fourth Proportional to 86,935.80, 130,452.30 and 37,007.40

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Solution

The fourth proportional to 86,935.80, 130,452.30 and 37,007.40 is: 55,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,935.80 : 130,452.30 = 37,007.40 : x
  2. Step 2: Convert to fraction form
    86,935.80/130,452.30 = 37,007.40/x
  3. Step 3: Cross multiply
    86,935.80x = 130,452.30 × 37,007.40
  4. Step 4: Simplify right side
    86,935.80x = 4,827,700,447.02
  5. Step 5: Solve for x
    x = 4,827,700,447.02/86,935.80
  6. Step 6: Final answer
    x = 55,531.79

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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.