Home / 113,864.15-157,133.78-62,876.78

Finding the Fourth Proportional to 113,864.15, 157,133.78 and 62,876.78

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Solution

The fourth proportional to 113,864.15, 157,133.78 and 62,876.78 is: 86,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,864.15 : 157,133.78 = 62,876.78 : x
  2. Step 2: Convert to fraction form
    113,864.15/157,133.78 = 62,876.78/x
  3. Step 3: Cross multiply
    113,864.15x = 157,133.78 × 62,876.78
  4. Step 4: Simplify right side
    113,864.15x = 9,880,065,015.58
  5. Step 5: Solve for x
    x = 9,880,065,015.58/113,864.15
  6. Step 6: Final answer
    x = 86,770.64

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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.