Home / 113,770.32-157,001.94-62,783.52

Finding the Fourth Proportional to 113,770.32, 157,001.94 and 62,783.52

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Solution

The fourth proportional to 113,770.32, 157,001.94 and 62,783.52 is: 86,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,770.32 : 157,001.94 = 62,783.52 : x
  2. Step 2: Convert to fraction form
    113,770.32/157,001.94 = 62,783.52/x
  3. Step 3: Cross multiply
    113,770.32x = 157,001.94 × 62,783.52
  4. Step 4: Simplify right side
    113,770.32x = 9,857,134,440.03
  5. Step 5: Solve for x
    x = 9,857,134,440.03/113,770.32
  6. Step 6: Final answer
    x = 86,640.65

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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.