Home / 113,813.14-157,061.21-62,825.79

Finding the Fourth Proportional to 113,813.14, 157,061.21 and 62,825.79

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Solution

The fourth proportional to 113,813.14, 157,061.21 and 62,825.79 is: 86,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,813.14 : 157,061.21 = 62,825.79 : x
  2. Step 2: Convert to fraction form
    113,813.14/157,061.21 = 62,825.79/x
  3. Step 3: Cross multiply
    113,813.14x = 157,061.21 × 62,825.79
  4. Step 4: Simplify right side
    113,813.14x = 9,867,495,048.16
  5. Step 5: Solve for x
    x = 9,867,495,048.16/113,813.14
  6. Step 6: Final answer
    x = 86,699.09

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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.