Home / 53,667.68-74,010.39-39,118.64

Finding the Fourth Proportional to 53,667.68, 74,010.39 and 39,118.64

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Solution

The fourth proportional to 53,667.68, 74,010.39 and 39,118.64 is: 53,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,667.68 : 74,010.39 = 39,118.64 : x
  2. Step 2: Convert to fraction form
    53,667.68/74,010.39 = 39,118.64/x
  3. Step 3: Cross multiply
    53,667.68x = 74,010.39 × 39,118.64
  4. Step 4: Simplify right side
    53,667.68x = 2,895,185,432.62
  5. Step 5: Solve for x
    x = 2,895,185,432.62/53,667.68
  6. Step 6: Final answer
    x = 53,946.54

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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.