Home / 91,743.75-126,606.60-53,529.57

Finding the Fourth Proportional to 91,743.75, 126,606.60 and 53,529.57

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Solution

The fourth proportional to 91,743.75, 126,606.60 and 53,529.57 is: 73,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,743.75 : 126,606.60 = 53,529.57 : x
  2. Step 2: Convert to fraction form
    91,743.75/126,606.60 = 53,529.57/x
  3. Step 3: Cross multiply
    91,743.75x = 126,606.60 × 53,529.57
  4. Step 4: Simplify right side
    91,743.75x = 6,777,196,857.16
  5. Step 5: Solve for x
    x = 6,777,196,857.16/91,743.75
  6. Step 6: Final answer
    x = 73,870.94

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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.