Home / 86,570.01-129,869.34-30,395.52

Finding the Fourth Proportional to 86,570.01, 129,869.34 and 30,395.52

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Solution

The fourth proportional to 86,570.01, 129,869.34 and 30,395.52 is: 45,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,570.01 : 129,869.34 = 30,395.52 : x
  2. Step 2: Convert to fraction form
    86,570.01/129,869.34 = 30,395.52/x
  3. Step 3: Cross multiply
    86,570.01x = 129,869.34 × 30,395.52
  4. Step 4: Simplify right side
    86,570.01x = 3,947,446,121.36
  5. Step 5: Solve for x
    x = 3,947,446,121.36/86,570.01
  6. Step 6: Final answer
    x = 45,598.31

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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.