Home / 86,971.36-130,458.24-24,641.80

Finding the Fourth Proportional to 86,971.36, 130,458.24 and 24,641.80

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Solution

The fourth proportional to 86,971.36, 130,458.24 and 24,641.80 is: 36,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,971.36 : 130,458.24 = 24,641.80 : x
  2. Step 2: Convert to fraction form
    86,971.36/130,458.24 = 24,641.80/x
  3. Step 3: Cross multiply
    86,971.36x = 130,458.24 × 24,641.80
  4. Step 4: Simplify right side
    86,971.36x = 3,214,725,858.43
  5. Step 5: Solve for x
    x = 3,214,725,858.43/86,971.36
  6. Step 6: Final answer
    x = 36,963.04

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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.