Home / 91,975.35-126,903.81-53,713.18

Finding the Fourth Proportional to 91,975.35, 126,903.81 and 53,713.18

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Solution

The fourth proportional to 91,975.35, 126,903.81 and 53,713.18 is: 74,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,975.35 : 126,903.81 = 53,713.18 : x
  2. Step 2: Convert to fraction form
    91,975.35/126,903.81 = 53,713.18/x
  3. Step 3: Cross multiply
    91,975.35x = 126,903.81 × 53,713.18
  4. Step 4: Simplify right side
    91,975.35x = 6,816,406,286.13
  5. Step 5: Solve for x
    x = 6,816,406,286.13/91,975.35
  6. Step 6: Final answer
    x = 74,111.23

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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.