Home / 113,813.81-157,071.75-62,836.36

Finding the Fourth Proportional to 113,813.81, 157,071.75 and 62,836.36

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Solution

The fourth proportional to 113,813.81, 157,071.75 and 62,836.36 is: 86,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,813.81 : 157,071.75 = 62,836.36 : x
  2. Step 2: Convert to fraction form
    113,813.81/157,071.75 = 62,836.36/x
  3. Step 3: Cross multiply
    113,813.81x = 157,071.75 × 62,836.36
  4. Step 4: Simplify right side
    113,813.81x = 9,869,816,086.38
  5. Step 5: Solve for x
    x = 9,869,816,086.38/113,813.81
  6. Step 6: Final answer
    x = 86,718.97

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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.