Home / 86,938.70-130,359.45-37,010.30

Finding the Fourth Proportional to 86,938.70, 130,359.45 and 37,010.30

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Solution

The fourth proportional to 86,938.70, 130,359.45 and 37,010.30 is: 55,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,938.70 : 130,359.45 = 37,010.30 : x
  2. Step 2: Convert to fraction form
    86,938.70/130,359.45 = 37,010.30/x
  3. Step 3: Cross multiply
    86,938.70x = 130,359.45 × 37,010.30
  4. Step 4: Simplify right side
    86,938.70x = 4,824,642,352.34
  5. Step 5: Solve for x
    x = 4,824,642,352.34/86,938.70
  6. Step 6: Final answer
    x = 55,494.76

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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.