Home / 54,615.47-75,392.65-36,720.84

Finding the Fourth Proportional to 54,615.47, 75,392.65 and 36,720.84

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Solution

The fourth proportional to 54,615.47, 75,392.65 and 36,720.84 is: 50,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,615.47 : 75,392.65 = 36,720.84 : x
  2. Step 2: Convert to fraction form
    54,615.47/75,392.65 = 36,720.84/x
  3. Step 3: Cross multiply
    54,615.47x = 75,392.65 × 36,720.84
  4. Step 4: Simplify right side
    54,615.47x = 2,768,481,663.17
  5. Step 5: Solve for x
    x = 2,768,481,663.17/54,615.47
  6. Step 6: Final answer
    x = 50,690.43

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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.