Home / 52,215.86-78,225.15-40,471.58

Finding the Fourth Proportional to 52,215.86, 78,225.15 and 40,471.58

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Solution

The fourth proportional to 52,215.86, 78,225.15 and 40,471.58 is: 60,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.86 : 78,225.15 = 40,471.58 : x
  2. Step 2: Convert to fraction form
    52,215.86/78,225.15 = 40,471.58/x
  3. Step 3: Cross multiply
    52,215.86x = 78,225.15 × 40,471.58
  4. Step 4: Simplify right side
    52,215.86x = 3,165,895,416.24
  5. Step 5: Solve for x
    x = 3,165,895,416.24/52,215.86
  6. Step 6: Final answer
    x = 60,630.92

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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.