Home / 91,733.60-126,538.66-57,688.22

Finding the Fourth Proportional to 91,733.60, 126,538.66 and 57,688.22

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Solution

The fourth proportional to 91,733.60, 126,538.66 and 57,688.22 is: 79,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,733.60 : 126,538.66 = 57,688.22 : x
  2. Step 2: Convert to fraction form
    91,733.60/126,538.66 = 57,688.22/x
  3. Step 3: Cross multiply
    91,733.60x = 126,538.66 × 57,688.22
  4. Step 4: Simplify right side
    91,733.60x = 7,299,790,056.59
  5. Step 5: Solve for x
    x = 7,299,790,056.59/91,733.60
  6. Step 6: Final answer
    x = 79,575.97

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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.