Home / 75,987.04-113,902.80-36,551.20

Finding the Fourth Proportional to 75,987.04, 113,902.80 and 36,551.20

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Solution

The fourth proportional to 75,987.04, 113,902.80 and 36,551.20 is: 54,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,987.04 : 113,902.80 = 36,551.20 : x
  2. Step 2: Convert to fraction form
    75,987.04/113,902.80 = 36,551.20/x
  3. Step 3: Cross multiply
    75,987.04x = 113,902.80 × 36,551.20
  4. Step 4: Simplify right side
    75,987.04x = 4,163,284,023.36
  5. Step 5: Solve for x
    x = 4,163,284,023.36/75,987.04
  6. Step 6: Final answer
    x = 54,789.40

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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.