Home / 113,774.49-157,007.70-62,787.69

Finding the Fourth Proportional to 113,774.49, 157,007.70 and 62,787.69

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Solution

The fourth proportional to 113,774.49, 157,007.70 and 62,787.69 is: 86,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,774.49 : 157,007.70 = 62,787.69 : x
  2. Step 2: Convert to fraction form
    113,774.49/157,007.70 = 62,787.69/x
  3. Step 3: Cross multiply
    113,774.49x = 157,007.70 × 62,787.69
  4. Step 4: Simplify right side
    113,774.49x = 9,858,150,795.21
  5. Step 5: Solve for x
    x = 9,858,150,795.21/113,774.49
  6. Step 6: Final answer
    x = 86,646.41

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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.