Home / 82,291.20-113,577.60-48,307.20

Finding the Fourth Proportional to 82,291.20, 113,577.60 and 48,307.20

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Solution

The fourth proportional to 82,291.20, 113,577.60 and 48,307.20 is: 66,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,291.20 : 113,577.60 = 48,307.20 : x
  2. Step 2: Convert to fraction form
    82,291.20/113,577.60 = 48,307.20/x
  3. Step 3: Cross multiply
    82,291.20x = 113,577.60 × 48,307.20
  4. Step 4: Simplify right side
    82,291.20x = 5,486,615,838.72
  5. Step 5: Solve for x
    x = 5,486,615,838.72/82,291.20
  6. Step 6: Final answer
    x = 66,673.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.