Home / 54,172.08-81,248.16-24,582.80

Finding the Fourth Proportional to 54,172.08, 81,248.16 and 24,582.80

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Solution

The fourth proportional to 54,172.08, 81,248.16 and 24,582.80 is: 36,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.08 : 81,248.16 = 24,582.80 : x
  2. Step 2: Convert to fraction form
    54,172.08/81,248.16 = 24,582.80/x
  3. Step 3: Cross multiply
    54,172.08x = 81,248.16 × 24,582.80
  4. Step 4: Simplify right side
    54,172.08x = 1,997,307,267.65
  5. Step 5: Solve for x
    x = 1,997,307,267.65/54,172.08
  6. Step 6: Final answer
    x = 36,869.68

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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.