Home / 113,967.13-157,266.77-62,979.38

Finding the Fourth Proportional to 113,967.13, 157,266.77 and 62,979.38

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Solution

The fourth proportional to 113,967.13, 157,266.77 and 62,979.38 is: 86,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,967.13 : 157,266.77 = 62,979.38 : x
  2. Step 2: Convert to fraction form
    113,967.13/157,266.77 = 62,979.38/x
  3. Step 3: Cross multiply
    113,967.13x = 157,266.77 × 62,979.38
  4. Step 4: Simplify right side
    113,967.13x = 9,904,563,669.20
  5. Step 5: Solve for x
    x = 9,904,563,669.20/113,967.13
  6. Step 6: Final answer
    x = 86,907.20

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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.