Home / 108,343.42-149,482.86-62,394.55

Finding the Fourth Proportional to 108,343.42, 149,482.86 and 62,394.55

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Solution

The fourth proportional to 108,343.42, 149,482.86 and 62,394.55 is: 86,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,343.42 : 149,482.86 = 62,394.55 : x
  2. Step 2: Convert to fraction form
    108,343.42/149,482.86 = 62,394.55/x
  3. Step 3: Cross multiply
    108,343.42x = 149,482.86 × 62,394.55
  4. Step 4: Simplify right side
    108,343.42x = 9,326,915,782.41
  5. Step 5: Solve for x
    x = 9,326,915,782.41/108,343.42
  6. Step 6: Final answer
    x = 86,086.59

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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.