Home / 115,533.66-159,437.55-67,787.82

Finding the Fourth Proportional to 115,533.66, 159,437.55 and 67,787.82

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Solution

The fourth proportional to 115,533.66, 159,437.55 and 67,787.82 is: 93,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,533.66 : 159,437.55 = 67,787.82 : x
  2. Step 2: Convert to fraction form
    115,533.66/159,437.55 = 67,787.82/x
  3. Step 3: Cross multiply
    115,533.66x = 159,437.55 × 67,787.82
  4. Step 4: Simplify right side
    115,533.66x = 10,807,923,940.64
  5. Step 5: Solve for x
    x = 10,807,923,940.64/115,533.66
  6. Step 6: Final answer
    x = 93,547.84

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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.