Home / 77,016.06-115,528.20-24,429.60

Finding the Fourth Proportional to 77,016.06, 115,528.20 and 24,429.60

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Solution

The fourth proportional to 77,016.06, 115,528.20 and 24,429.60 is: 36,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,016.06 : 115,528.20 = 24,429.60 : x
  2. Step 2: Convert to fraction form
    77,016.06/115,528.20 = 24,429.60/x
  3. Step 3: Cross multiply
    77,016.06x = 115,528.20 × 24,429.60
  4. Step 4: Simplify right side
    77,016.06x = 2,822,307,714.72
  5. Step 5: Solve for x
    x = 2,822,307,714.72/77,016.06
  6. Step 6: Final answer
    x = 36,645.70

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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.