Home / 74,804.61-103,234.31-42,975.55

Finding the Fourth Proportional to 74,804.61, 103,234.31 and 42,975.55

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Solution

The fourth proportional to 74,804.61, 103,234.31 and 42,975.55 is: 59,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804.61 : 103,234.31 = 42,975.55 : x
  2. Step 2: Convert to fraction form
    74,804.61/103,234.31 = 42,975.55/x
  3. Step 3: Cross multiply
    74,804.61x = 103,234.31 × 42,975.55
  4. Step 4: Simplify right side
    74,804.61x = 4,436,551,251.12
  5. Step 5: Solve for x
    x = 4,436,551,251.12/74,804.61
  6. Step 6: Final answer
    x = 59,308.53

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1.5x scale

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.