Home / 98,016.93-135,242.55-57,716.01

Finding the Fourth Proportional to 98,016.93, 135,242.55 and 57,716.01

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Solution

The fourth proportional to 98,016.93, 135,242.55 and 57,716.01 is: 79,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,016.93 : 135,242.55 = 57,716.01 : x
  2. Step 2: Convert to fraction form
    98,016.93/135,242.55 = 57,716.01/x
  3. Step 3: Cross multiply
    98,016.93x = 135,242.55 × 57,716.01
  4. Step 4: Simplify right side
    98,016.93x = 7,805,660,368.23
  5. Step 5: Solve for x
    x = 7,805,660,368.23/98,016.93
  6. Step 6: Final answer
    x = 79,635.84

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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.