Home / 86,975.40-130,500.24-37,079

Finding the Fourth Proportional to 86,975.40, 130,500.24 and 37,079

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Solution

The fourth proportional to 86,975.40, 130,500.24 and 37,079 is: 55,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,975.40 : 130,500.24 = 37,079 : x
  2. Step 2: Convert to fraction form
    86,975.40/130,500.24 = 37,079/x
  3. Step 3: Cross multiply
    86,975.40x = 130,500.24 × 37,079
  4. Step 4: Simplify right side
    86,975.40x = 4,838,818,398.96
  5. Step 5: Solve for x
    x = 4,838,818,398.96/86,975.40
  6. Step 6: Final answer
    x = 55,634.33

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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.