Home / 91,783.14-126,645.39-54,064.86

Finding the Fourth Proportional to 91,783.14, 126,645.39 and 54,064.86

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Solution

The fourth proportional to 91,783.14, 126,645.39 and 54,064.86 is: 74,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,783.14 : 126,645.39 = 54,064.86 : x
  2. Step 2: Convert to fraction form
    91,783.14/126,645.39 = 54,064.86/x
  3. Step 3: Cross multiply
    91,783.14x = 126,645.39 × 54,064.86
  4. Step 4: Simplify right side
    91,783.14x = 6,847,065,280.00
  5. Step 5: Solve for x
    x = 6,847,065,280.00/91,783.14
  6. Step 6: Final answer
    x = 74,600.47

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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.