Home / 91,184.34-125,855.39-53,470.74

Finding the Fourth Proportional to 91,184.34, 125,855.39 and 53,470.74

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Solution

The fourth proportional to 91,184.34, 125,855.39 and 53,470.74 is: 73,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,184.34 : 125,855.39 = 53,470.74 : x
  2. Step 2: Convert to fraction form
    91,184.34/125,855.39 = 53,470.74/x
  3. Step 3: Cross multiply
    91,184.34x = 125,855.39 × 53,470.74
  4. Step 4: Simplify right side
    91,184.34x = 6,729,580,836.29
  5. Step 5: Solve for x
    x = 6,729,580,836.29/91,184.34
  6. Step 6: Final answer
    x = 73,801.94

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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.