Home / 47,979.93-66,190.89-27,825.12

Finding the Fourth Proportional to 47,979.93, 66,190.89 and 27,825.12

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Solution

The fourth proportional to 47,979.93, 66,190.89 and 27,825.12 is: 38,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.93 : 66,190.89 = 27,825.12 : x
  2. Step 2: Convert to fraction form
    47,979.93/66,190.89 = 27,825.12/x
  3. Step 3: Cross multiply
    47,979.93x = 66,190.89 × 27,825.12
  4. Step 4: Simplify right side
    47,979.93x = 1,841,769,483.51
  5. Step 5: Solve for x
    x = 1,841,769,483.51/47,979.93
  6. Step 6: Final answer
    x = 38,386.25

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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.