Home / 78,368.04-108,181.00-52,908.89

Finding the Fourth Proportional to 78,368.04, 108,181.00 and 52,908.89

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Solution

The fourth proportional to 78,368.04, 108,181.00 and 52,908.89 is: 73,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,368.04 : 108,181.00 = 52,908.89 : x
  2. Step 2: Convert to fraction form
    78,368.04/108,181.00 = 52,908.89/x
  3. Step 3: Cross multiply
    78,368.04x = 108,181.00 × 52,908.89
  4. Step 4: Simplify right side
    78,368.04x = 5,723,737,063.78
  5. Step 5: Solve for x
    x = 5,723,737,063.78/78,368.04
  6. Step 6: Final answer
    x = 73,036.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.