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Finding the Fourth Proportional to 91,842.44, 137,798.28 and 62,536.64

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Solution

The fourth proportional to 91,842.44, 137,798.28 and 62,536.64 is: 93,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,842.44 : 137,798.28 = 62,536.64 : x
  2. Step 2: Convert to fraction form
    91,842.44/137,798.28 = 62,536.64/x
  3. Step 3: Cross multiply
    91,842.44x = 137,798.28 × 62,536.64
  4. Step 4: Simplify right side
    91,842.44x = 8,617,440,739.99
  5. Step 5: Solve for x
    x = 8,617,440,739.99/91,842.44
  6. Step 6: Final answer
    x = 93,828.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.