Home / 77,244.80-115,867.20-58,582.40

Finding the Fourth Proportional to 77,244.80, 115,867.20 and 58,582.40

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Solution

The fourth proportional to 77,244.80, 115,867.20 and 58,582.40 is: 87,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,244.80 : 115,867.20 = 58,582.40 : x
  2. Step 2: Convert to fraction form
    77,244.80/115,867.20 = 58,582.40/x
  3. Step 3: Cross multiply
    77,244.80x = 115,867.20 × 58,582.40
  4. Step 4: Simplify right side
    77,244.80x = 6,787,778,657.28
  5. Step 5: Solve for x
    x = 6,787,778,657.28/77,244.80
  6. Step 6: Final answer
    x = 87,873.60

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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.