Home / 111,369.93-153,699.38-62,982.05

Finding the Fourth Proportional to 111,369.93, 153,699.38 and 62,982.05

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Solution

The fourth proportional to 111,369.93, 153,699.38 and 62,982.05 is: 86,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,369.93 : 153,699.38 = 62,982.05 : x
  2. Step 2: Convert to fraction form
    111,369.93/153,699.38 = 62,982.05/x
  3. Step 3: Cross multiply
    111,369.93x = 153,699.38 × 62,982.05
  4. Step 4: Simplify right side
    111,369.93x = 9,680,302,036.13
  5. Step 5: Solve for x
    x = 9,680,302,036.13/111,369.93
  6. Step 6: Final answer
    x = 86,920.25

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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.