Home / 86,359.93-129,525.77-61,324.25

Finding the Fourth Proportional to 86,359.93, 129,525.77 and 61,324.25

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Solution

The fourth proportional to 86,359.93, 129,525.77 and 61,324.25 is: 91,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,359.93 : 129,525.77 = 61,324.25 : x
  2. Step 2: Convert to fraction form
    86,359.93/129,525.77 = 61,324.25/x
  3. Step 3: Cross multiply
    86,359.93x = 129,525.77 × 61,324.25
  4. Step 4: Simplify right side
    86,359.93x = 7,943,070,206.60
  5. Step 5: Solve for x
    x = 7,943,070,206.60/86,359.93
  6. Step 6: Final answer
    x = 91,976.34

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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.