Home / 56,453.24-77,906.54-30,957.99

Finding the Fourth Proportional to 56,453.24, 77,906.54 and 30,957.99

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Solution

The fourth proportional to 56,453.24, 77,906.54 and 30,957.99 is: 42,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.24 : 77,906.54 = 30,957.99 : x
  2. Step 2: Convert to fraction form
    56,453.24/77,906.54 = 30,957.99/x
  3. Step 3: Cross multiply
    56,453.24x = 77,906.54 × 30,957.99
  4. Step 4: Simplify right side
    56,453.24x = 2,411,829,886.25
  5. Step 5: Solve for x
    x = 2,411,829,886.25/56,453.24
  6. Step 6: Final answer
    x = 42,722.61

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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.