Home / 113,825.02-157,079.80-62,837.78

Finding the Fourth Proportional to 113,825.02, 157,079.80 and 62,837.78

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Solution

The fourth proportional to 113,825.02, 157,079.80 and 62,837.78 is: 86,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,825.02 : 157,079.80 = 62,837.78 : x
  2. Step 2: Convert to fraction form
    113,825.02/157,079.80 = 62,837.78/x
  3. Step 3: Cross multiply
    113,825.02x = 157,079.80 × 62,837.78
  4. Step 4: Simplify right side
    113,825.02x = 9,870,545,914.84
  5. Step 5: Solve for x
    x = 9,870,545,914.84/113,825.02
  6. Step 6: Final answer
    x = 86,716.84

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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.