Home / 86,448.22-129,686.16-36,528.80

Finding the Fourth Proportional to 86,448.22, 129,686.16 and 36,528.80

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Solution

The fourth proportional to 86,448.22, 129,686.16 and 36,528.80 is: 54,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,448.22 : 129,686.16 = 36,528.80 : x
  2. Step 2: Convert to fraction form
    86,448.22/129,686.16 = 36,528.80/x
  3. Step 3: Cross multiply
    86,448.22x = 129,686.16 × 36,528.80
  4. Step 4: Simplify right side
    86,448.22x = 4,737,279,801.41
  5. Step 5: Solve for x
    x = 4,737,279,801.41/86,448.22
  6. Step 6: Final answer
    x = 54,799.04

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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.