Home / 83,023.20-124,534.80-23,855.40

Finding the Fourth Proportional to 83,023.20, 124,534.80 and 23,855.40

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Solution

The fourth proportional to 83,023.20, 124,534.80 and 23,855.40 is: 35,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,023.20 : 124,534.80 = 23,855.40 : x
  2. Step 2: Convert to fraction form
    83,023.20/124,534.80 = 23,855.40/x
  3. Step 3: Cross multiply
    83,023.20x = 124,534.80 × 23,855.40
  4. Step 4: Simplify right side
    83,023.20x = 2,970,827,467.92
  5. Step 5: Solve for x
    x = 2,970,827,467.92/83,023.20
  6. Step 6: Final answer
    x = 35,783.10

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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.