Home / 57,355.24-78,967.14-48,937.96

Finding the Fourth Proportional to 57,355.24, 78,967.14 and 48,937.96

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Solution

The fourth proportional to 57,355.24, 78,967.14 and 48,937.96 is: 67,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,355.24 : 78,967.14 = 48,937.96 : x
  2. Step 2: Convert to fraction form
    57,355.24/78,967.14 = 48,937.96/x
  3. Step 3: Cross multiply
    57,355.24x = 78,967.14 × 48,937.96
  4. Step 4: Simplify right side
    57,355.24x = 3,864,490,738.63
  5. Step 5: Solve for x
    x = 3,864,490,738.63/57,355.24
  6. Step 6: Final answer
    x = 67,378.16

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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.