Home / 86,816.40-130,267.80-34,227.60

Finding the Fourth Proportional to 86,816.40, 130,267.80 and 34,227.60

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Solution

The fourth proportional to 86,816.40, 130,267.80 and 34,227.60 is: 51,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,816.40 : 130,267.80 = 34,227.60 : x
  2. Step 2: Convert to fraction form
    86,816.40/130,267.80 = 34,227.60/x
  3. Step 3: Cross multiply
    86,816.40x = 130,267.80 × 34,227.60
  4. Step 4: Simplify right side
    86,816.40x = 4,458,754,151.28
  5. Step 5: Solve for x
    x = 4,458,754,151.28/86,816.40
  6. Step 6: Final answer
    x = 51,358.43

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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.