Home / 91,498.53-126,268.60-51,216.02

Finding the Fourth Proportional to 91,498.53, 126,268.60 and 51,216.02

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Solution

The fourth proportional to 91,498.53, 126,268.60 and 51,216.02 is: 70,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,498.53 : 126,268.60 = 51,216.02 : x
  2. Step 2: Convert to fraction form
    91,498.53/126,268.60 = 51,216.02/x
  3. Step 3: Cross multiply
    91,498.53x = 126,268.60 × 51,216.02
  4. Step 4: Simplify right side
    91,498.53x = 6,466,975,142.97
  5. Step 5: Solve for x
    x = 6,466,975,142.97/91,498.53
  6. Step 6: Final answer
    x = 70,678.46

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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.