Home / 77,439.66-106,899.48-52,323.18

Finding the Fourth Proportional to 77,439.66, 106,899.48 and 52,323.18

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Solution

The fourth proportional to 77,439.66, 106,899.48 and 52,323.18 is: 72,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,439.66 : 106,899.48 = 52,323.18 : x
  2. Step 2: Convert to fraction form
    77,439.66/106,899.48 = 52,323.18/x
  3. Step 3: Cross multiply
    77,439.66x = 106,899.48 × 52,323.18
  4. Step 4: Simplify right side
    77,439.66x = 5,593,320,733.95
  5. Step 5: Solve for x
    x = 5,593,320,733.95/77,439.66
  6. Step 6: Final answer
    x = 72,228.12

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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.