Home / 91,926.05-126,851.14-51,646.53

Finding the Fourth Proportional to 91,926.05, 126,851.14 and 51,646.53

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Solution

The fourth proportional to 91,926.05, 126,851.14 and 51,646.53 is: 71,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,926.05 : 126,851.14 = 51,646.53 : x
  2. Step 2: Convert to fraction form
    91,926.05/126,851.14 = 51,646.53/x
  3. Step 3: Cross multiply
    91,926.05x = 126,851.14 × 51,646.53
  4. Step 4: Simplify right side
    91,926.05x = 6,551,421,078.43
  5. Step 5: Solve for x
    x = 6,551,421,078.43/91,926.05
  6. Step 6: Final answer
    x = 71,268.38

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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.