Home / 53,995.07-74,513.31-30,121.13

Finding the Fourth Proportional to 53,995.07, 74,513.31 and 30,121.13

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Solution

The fourth proportional to 53,995.07, 74,513.31 and 30,121.13 is: 41,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.07 : 74,513.31 = 30,121.13 : x
  2. Step 2: Convert to fraction form
    53,995.07/74,513.31 = 30,121.13/x
  3. Step 3: Cross multiply
    53,995.07x = 74,513.31 × 30,121.13
  4. Step 4: Simplify right side
    53,995.07x = 2,244,425,097.24
  5. Step 5: Solve for x
    x = 2,244,425,097.24/53,995.07
  6. Step 6: Final answer
    x = 41,567.22

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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.