Home / 74,767.26-103,178.07-42,946.14

Finding the Fourth Proportional to 74,767.26, 103,178.07 and 42,946.14

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Solution

The fourth proportional to 74,767.26, 103,178.07 and 42,946.14 is: 59,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,767.26 : 103,178.07 = 42,946.14 : x
  2. Step 2: Convert to fraction form
    74,767.26/103,178.07 = 42,946.14/x
  3. Step 3: Cross multiply
    74,767.26x = 103,178.07 × 42,946.14
  4. Step 4: Simplify right side
    74,767.26x = 4,431,099,839.15
  5. Step 5: Solve for x
    x = 4,431,099,839.15/74,767.26
  6. Step 6: Final answer
    x = 59,265.24

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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.