Home / 87,362.80-130,953.31-59,285.36

Finding the Fourth Proportional to 87,362.80, 130,953.31 and 59,285.36

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Solution

The fourth proportional to 87,362.80, 130,953.31 and 59,285.36 is: 88,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,362.80 : 130,953.31 = 59,285.36 : x
  2. Step 2: Convert to fraction form
    87,362.80/130,953.31 = 59,285.36/x
  3. Step 3: Cross multiply
    87,362.80x = 130,953.31 × 59,285.36
  4. Step 4: Simplify right side
    87,362.80x = 7,763,614,126.54
  5. Step 5: Solve for x
    x = 7,763,614,126.54/87,362.80
  6. Step 6: Final answer
    x = 88,866.36

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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.