Home / 113,942.34-157,237.47-62,958.78

Finding the Fourth Proportional to 113,942.34, 157,237.47 and 62,958.78

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Solution

The fourth proportional to 113,942.34, 157,237.47 and 62,958.78 is: 86,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,942.34 : 157,237.47 = 62,958.78 : x
  2. Step 2: Convert to fraction form
    113,942.34/157,237.47 = 62,958.78/x
  3. Step 3: Cross multiply
    113,942.34x = 157,237.47 × 62,958.78
  4. Step 4: Simplify right side
    113,942.34x = 9,899,479,281.49
  5. Step 5: Solve for x
    x = 9,899,479,281.49/113,942.34
  6. Step 6: Final answer
    x = 86,881.48

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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.