Home / 56,547.20-84,723.60-36,815.60

Finding the Fourth Proportional to 56,547.20, 84,723.60 and 36,815.60

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Solution

The fourth proportional to 56,547.20, 84,723.60 and 36,815.60 is: 55,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,547.20 : 84,723.60 = 36,815.60 : x
  2. Step 2: Convert to fraction form
    56,547.20/84,723.60 = 36,815.60/x
  3. Step 3: Cross multiply
    56,547.20x = 84,723.60 × 36,815.60
  4. Step 4: Simplify right side
    56,547.20x = 3,119,150,168.16
  5. Step 5: Solve for x
    x = 3,119,150,168.16/56,547.20
  6. Step 6: Final answer
    x = 55,160.12

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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.