Home / 87,232.51-130,765.65-28,026.63

Finding the Fourth Proportional to 87,232.51, 130,765.65 and 28,026.63

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Solution

The fourth proportional to 87,232.51, 130,765.65 and 28,026.63 is: 42,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,232.51 : 130,765.65 = 28,026.63 : x
  2. Step 2: Convert to fraction form
    87,232.51/130,765.65 = 28,026.63/x
  3. Step 3: Cross multiply
    87,232.51x = 130,765.65 × 28,026.63
  4. Step 4: Simplify right side
    87,232.51x = 3,664,920,489.26
  5. Step 5: Solve for x
    x = 3,664,920,489.26/87,232.51
  6. Step 6: Final answer
    x = 42,013.24

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1.5x scale

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.