Home / 52,298.85-78,429.30-28,623.89

Finding the Fourth Proportional to 52,298.85, 78,429.30 and 28,623.89

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Solution

The fourth proportional to 52,298.85, 78,429.30 and 28,623.89 is: 42,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,298.85 : 78,429.30 = 28,623.89 : x
  2. Step 2: Convert to fraction form
    52,298.85/78,429.30 = 28,623.89/x
  3. Step 3: Cross multiply
    52,298.85x = 78,429.30 × 28,623.89
  4. Step 4: Simplify right side
    52,298.85x = 2,244,951,316.78
  5. Step 5: Solve for x
    x = 2,244,951,316.78/52,298.85
  6. Step 6: Final answer
    x = 42,925.44

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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.