Home / 91,360.52-126,089.64-53,634.76

Finding the Fourth Proportional to 91,360.52, 126,089.64 and 53,634.76

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Solution

The fourth proportional to 91,360.52, 126,089.64 and 53,634.76 is: 74,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,360.52 : 126,089.64 = 53,634.76 : x
  2. Step 2: Convert to fraction form
    91,360.52/126,089.64 = 53,634.76/x
  3. Step 3: Cross multiply
    91,360.52x = 126,089.64 × 53,634.76
  4. Step 4: Simplify right side
    91,360.52x = 6,762,787,579.89
  5. Step 5: Solve for x
    x = 6,762,787,579.89/91,360.52
  6. Step 6: Final answer
    x = 74,023.09

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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.