Home / 53,999.79-74,519.52-30,126.45

Finding the Fourth Proportional to 53,999.79, 74,519.52 and 30,126.45

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Solution

The fourth proportional to 53,999.79, 74,519.52 and 30,126.45 is: 41,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.79 : 74,519.52 = 30,126.45 : x
  2. Step 2: Convert to fraction form
    53,999.79/74,519.52 = 30,126.45/x
  3. Step 3: Cross multiply
    53,999.79x = 74,519.52 × 30,126.45
  4. Step 4: Simplify right side
    53,999.79x = 2,245,008,593.30
  5. Step 5: Solve for x
    x = 2,245,008,593.30/53,999.79
  6. Step 6: Final answer
    x = 41,574.39

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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.