Home / 91,867.55-126,769.47-55,582.52

Finding the Fourth Proportional to 91,867.55, 126,769.47 and 55,582.52

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Solution

The fourth proportional to 91,867.55, 126,769.47 and 55,582.52 is: 76,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,867.55 : 126,769.47 = 55,582.52 : x
  2. Step 2: Convert to fraction form
    91,867.55/126,769.47 = 55,582.52/x
  3. Step 3: Cross multiply
    91,867.55x = 126,769.47 × 55,582.52
  4. Step 4: Simplify right side
    91,867.55x = 7,046,166,601.66
  5. Step 5: Solve for x
    x = 7,046,166,601.66/91,867.55
  6. Step 6: Final answer
    x = 76,699.19

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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.