Home / 113,835.69-157,089.19-62,847.38

Finding the Fourth Proportional to 113,835.69, 157,089.19 and 62,847.38

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Solution

The fourth proportional to 113,835.69, 157,089.19 and 62,847.38 is: 86,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.69 : 157,089.19 = 62,847.38 : x
  2. Step 2: Convert to fraction form
    113,835.69/157,089.19 = 62,847.38/x
  3. Step 3: Cross multiply
    113,835.69x = 157,089.19 × 62,847.38
  4. Step 4: Simplify right side
    113,835.69x = 9,872,643,703.59
  5. Step 5: Solve for x
    x = 9,872,643,703.59/113,835.69
  6. Step 6: Final answer
    x = 86,727.14

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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.