Home / 101,112.12-151,603.38-41,988.60

Finding the Fourth Proportional to 101,112.12, 151,603.38 and 41,988.60

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Solution

The fourth proportional to 101,112.12, 151,603.38 and 41,988.60 is: 62,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,112.12 : 151,603.38 = 41,988.60 : x
  2. Step 2: Convert to fraction form
    101,112.12/151,603.38 = 41,988.60/x
  3. Step 3: Cross multiply
    101,112.12x = 151,603.38 × 41,988.60
  4. Step 4: Simplify right side
    101,112.12x = 6,365,613,681.47
  5. Step 5: Solve for x
    x = 6,365,613,681.47/101,112.12
  6. Step 6: Final answer
    x = 62,955.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.