Home / 108,962.80-163,444.20-38,816.80

Finding the Fourth Proportional to 108,962.80, 163,444.20 and 38,816.80

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Solution

The fourth proportional to 108,962.80, 163,444.20 and 38,816.80 is: 58,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962.80 : 163,444.20 = 38,816.80 : x
  2. Step 2: Convert to fraction form
    108,962.80/163,444.20 = 38,816.80/x
  3. Step 3: Cross multiply
    108,962.80x = 163,444.20 × 38,816.80
  4. Step 4: Simplify right side
    108,962.80x = 6,344,380,822.56
  5. Step 5: Solve for x
    x = 6,344,380,822.56/108,962.80
  6. Step 6: Final answer
    x = 58,225.20

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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.