Home / 55,643.52-76,743.36-48,914.76

Finding the Fourth Proportional to 55,643.52, 76,743.36 and 48,914.76

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Solution

The fourth proportional to 55,643.52, 76,743.36 and 48,914.76 is: 67,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,643.52 : 76,743.36 = 48,914.76 : x
  2. Step 2: Convert to fraction form
    55,643.52/76,743.36 = 48,914.76/x
  3. Step 3: Cross multiply
    55,643.52x = 76,743.36 × 48,914.76
  4. Step 4: Simplify right side
    55,643.52x = 3,753,883,035.99
  5. Step 5: Solve for x
    x = 3,753,883,035.99/55,643.52
  6. Step 6: Final answer
    x = 67,463.08

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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.