Home / 113,828.50-157,072.10-62,837.92

Finding the Fourth Proportional to 113,828.50, 157,072.10 and 62,837.92

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Solution

The fourth proportional to 113,828.50, 157,072.10 and 62,837.92 is: 86,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,828.50 : 157,072.10 = 62,837.92 : x
  2. Step 2: Convert to fraction form
    113,828.50/157,072.10 = 62,837.92/x
  3. Step 3: Cross multiply
    113,828.50x = 157,072.10 × 62,837.92
  4. Step 4: Simplify right side
    113,828.50x = 9,870,084,054.03
  5. Step 5: Solve for x
    x = 9,870,084,054.03/113,828.50
  6. Step 6: Final answer
    x = 86,710.13

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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.