Home / 53,743.34-74,164.17-30,772.38

Finding the Fourth Proportional to 53,743.34, 74,164.17 and 30,772.38

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Solution

The fourth proportional to 53,743.34, 74,164.17 and 30,772.38 is: 42,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,743.34 : 74,164.17 = 30,772.38 : x
  2. Step 2: Convert to fraction form
    53,743.34/74,164.17 = 30,772.38/x
  3. Step 3: Cross multiply
    53,743.34x = 74,164.17 × 30,772.38
  4. Step 4: Simplify right side
    53,743.34x = 2,282,208,021.62
  5. Step 5: Solve for x
    x = 2,282,208,021.62/53,743.34
  6. Step 6: Final answer
    x = 42,464.95

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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.