Home / 77,262.28-106,618.26-47,448.52

Finding the Fourth Proportional to 77,262.28, 106,618.26 and 47,448.52

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Solution

The fourth proportional to 77,262.28, 106,618.26 and 47,448.52 is: 65,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262.28 : 106,618.26 = 47,448.52 : x
  2. Step 2: Convert to fraction form
    77,262.28/106,618.26 = 47,448.52/x
  3. Step 3: Cross multiply
    77,262.28x = 106,618.26 × 47,448.52
  4. Step 4: Simplify right side
    77,262.28x = 5,058,878,641.98
  5. Step 5: Solve for x
    x = 5,058,878,641.98/77,262.28
  6. Step 6: Final answer
    x = 65,476.69

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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.