Home / 113,858.47-157,062.65-68,509.14

Finding the Fourth Proportional to 113,858.47, 157,062.65 and 68,509.14

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Solution

The fourth proportional to 113,858.47, 157,062.65 and 68,509.14 is: 94,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,858.47 : 157,062.65 = 68,509.14 : x
  2. Step 2: Convert to fraction form
    113,858.47/157,062.65 = 68,509.14/x
  3. Step 3: Cross multiply
    113,858.47x = 157,062.65 × 68,509.14
  4. Step 4: Simplify right side
    113,858.47x = 10,760,227,463.10
  5. Step 5: Solve for x
    x = 10,760,227,463.10/113,858.47
  6. Step 6: Final answer
    x = 94,505.29

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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.