Home / 77,016.30-115,536.60-24,431.10

Finding the Fourth Proportional to 77,016.30, 115,536.60 and 24,431.10

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Solution

The fourth proportional to 77,016.30, 115,536.60 and 24,431.10 is: 36,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,016.30 : 115,536.60 = 24,431.10 : x
  2. Step 2: Convert to fraction form
    77,016.30/115,536.60 = 24,431.10/x
  3. Step 3: Cross multiply
    77,016.30x = 115,536.60 × 24,431.10
  4. Step 4: Simplify right side
    77,016.30x = 2,822,686,228.26
  5. Step 5: Solve for x
    x = 2,822,686,228.26/77,016.30
  6. Step 6: Final answer
    x = 36,650.50

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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.