Home / 52,580.25-78,489.09-48,677.81

Finding the Fourth Proportional to 52,580.25, 78,489.09 and 48,677.81

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Solution

The fourth proportional to 52,580.25, 78,489.09 and 48,677.81 is: 72,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,580.25 : 78,489.09 = 48,677.81 : x
  2. Step 2: Convert to fraction form
    52,580.25/78,489.09 = 48,677.81/x
  3. Step 3: Cross multiply
    52,580.25x = 78,489.09 × 48,677.81
  4. Step 4: Simplify right side
    52,580.25x = 3,820,676,617.65
  5. Step 5: Solve for x
    x = 3,820,676,617.65/52,580.25
  6. Step 6: Final answer
    x = 72,663.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.