Home / 89,052.16-122,822.40-57,223.84

Finding the Fourth Proportional to 89,052.16, 122,822.40 and 57,223.84

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Solution

The fourth proportional to 89,052.16, 122,822.40 and 57,223.84 is: 78,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,052.16 : 122,822.40 = 57,223.84 : x
  2. Step 2: Convert to fraction form
    89,052.16/122,822.40 = 57,223.84/x
  3. Step 3: Cross multiply
    89,052.16x = 122,822.40 × 57,223.84
  4. Step 4: Simplify right side
    89,052.16x = 7,028,369,366.02
  5. Step 5: Solve for x
    x = 7,028,369,366.02/89,052.16
  6. Step 6: Final answer
    x = 78,924.19

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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.