Home / 75,742.60-113,484.30-48,008.20

Finding the Fourth Proportional to 75,742.60, 113,484.30 and 48,008.20

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Solution

The fourth proportional to 75,742.60, 113,484.30 and 48,008.20 is: 71,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,742.60 : 113,484.30 = 48,008.20 : x
  2. Step 2: Convert to fraction form
    75,742.60/113,484.30 = 48,008.20/x
  3. Step 3: Cross multiply
    75,742.60x = 113,484.30 × 48,008.20
  4. Step 4: Simplify right side
    75,742.60x = 5,448,176,971.26
  5. Step 5: Solve for x
    x = 5,448,176,971.26/75,742.60
  6. Step 6: Final answer
    x = 71,930.16

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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.