Home / 74,791.95-103,211.08-42,962.90

Finding the Fourth Proportional to 74,791.95, 103,211.08 and 42,962.90

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Solution

The fourth proportional to 74,791.95, 103,211.08 and 42,962.90 is: 59,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,791.95 : 103,211.08 = 42,962.90 : x
  2. Step 2: Convert to fraction form
    74,791.95/103,211.08 = 42,962.90/x
  3. Step 3: Cross multiply
    74,791.95x = 103,211.08 × 42,962.90
  4. Step 4: Simplify right side
    74,791.95x = 4,434,247,308.93
  5. Step 5: Solve for x
    x = 4,434,247,308.93/74,791.95
  6. Step 6: Final answer
    x = 59,287.76

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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.