Home / 87,128.14-130,693.02-24,798.64

Finding the Fourth Proportional to 87,128.14, 130,693.02 and 24,798.64

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Solution

The fourth proportional to 87,128.14, 130,693.02 and 24,798.64 is: 37,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,128.14 : 130,693.02 = 24,798.64 : x
  2. Step 2: Convert to fraction form
    87,128.14/130,693.02 = 24,798.64/x
  3. Step 3: Cross multiply
    87,128.14x = 130,693.02 × 24,798.64
  4. Step 4: Simplify right side
    87,128.14x = 3,241,009,153.49
  5. Step 5: Solve for x
    x = 3,241,009,153.49/87,128.14
  6. Step 6: Final answer
    x = 37,198.19

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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.