Home / 54,685.50-75,444.39-34,534.86

Finding the Fourth Proportional to 54,685.50, 75,444.39 and 34,534.86

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Solution

The fourth proportional to 54,685.50, 75,444.39 and 34,534.86 is: 47,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685.50 : 75,444.39 = 34,534.86 : x
  2. Step 2: Convert to fraction form
    54,685.50/75,444.39 = 34,534.86/x
  3. Step 3: Cross multiply
    54,685.50x = 75,444.39 × 34,534.86
  4. Step 4: Simplify right side
    54,685.50x = 2,605,461,446.44
  5. Step 5: Solve for x
    x = 2,605,461,446.44/54,685.50
  6. Step 6: Final answer
    x = 47,644.47

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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.