Home / 74,766.12-112,148.98-18,605.18

Finding the Fourth Proportional to 74,766.12, 112,148.98 and 18,605.18

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Solution

The fourth proportional to 74,766.12, 112,148.98 and 18,605.18 is: 27,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,766.12 : 112,148.98 = 18,605.18 : x
  2. Step 2: Convert to fraction form
    74,766.12/112,148.98 = 18,605.18/x
  3. Step 3: Cross multiply
    74,766.12x = 112,148.98 × 18,605.18
  4. Step 4: Simplify right side
    74,766.12x = 2,086,551,959.72
  5. Step 5: Solve for x
    x = 2,086,551,959.72/74,766.12
  6. Step 6: Final answer
    x = 27,907.72

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1.5x scale

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.