Home / 52,372.08-78,518.88-31,590.72

Finding the Fourth Proportional to 52,372.08, 78,518.88 and 31,590.72

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Solution

The fourth proportional to 52,372.08, 78,518.88 and 31,590.72 is: 47,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,372.08 : 78,518.88 = 31,590.72 : x
  2. Step 2: Convert to fraction form
    52,372.08/78,518.88 = 31,590.72/x
  3. Step 3: Cross multiply
    52,372.08x = 78,518.88 × 31,590.72
  4. Step 4: Simplify right side
    52,372.08x = 2,480,467,952.79
  5. Step 5: Solve for x
    x = 2,480,467,952.79/52,372.08
  6. Step 6: Final answer
    x = 47,362.41

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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.