Home / 88,787.54-122,530.53-51,061.82

Finding the Fourth Proportional to 88,787.54, 122,530.53 and 51,061.82

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Solution

The fourth proportional to 88,787.54, 122,530.53 and 51,061.82 is: 70,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,787.54 : 122,530.53 = 51,061.82 : x
  2. Step 2: Convert to fraction form
    88,787.54/122,530.53 = 51,061.82/x
  3. Step 3: Cross multiply
    88,787.54x = 122,530.53 × 51,061.82
  4. Step 4: Simplify right side
    88,787.54x = 6,256,631,867.36
  5. Step 5: Solve for x
    x = 6,256,631,867.36/88,787.54
  6. Step 6: Final answer
    x = 70,467.45

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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.