Home / 113,862.65-157,131.71-62,875.31

Finding the Fourth Proportional to 113,862.65, 157,131.71 and 62,875.31

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Solution

The fourth proportional to 113,862.65, 157,131.71 and 62,875.31 is: 86,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,862.65 : 157,131.71 = 62,875.31 : x
  2. Step 2: Convert to fraction form
    113,862.65/157,131.71 = 62,875.31/x
  3. Step 3: Cross multiply
    113,862.65x = 157,131.71 × 62,875.31
  4. Step 4: Simplify right side
    113,862.65x = 9,879,703,877.05
  5. Step 5: Solve for x
    x = 9,879,703,877.05/113,862.65
  6. Step 6: Final answer
    x = 86,768.61

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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.