Home / 60,478.20-83,468.43-43,538.58

Finding the Fourth Proportional to 60,478.20, 83,468.43 and 43,538.58

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Solution

The fourth proportional to 60,478.20, 83,468.43 and 43,538.58 is: 60,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478.20 : 83,468.43 = 43,538.58 : x
  2. Step 2: Convert to fraction form
    60,478.20/83,468.43 = 43,538.58/x
  3. Step 3: Cross multiply
    60,478.20x = 83,468.43 × 43,538.58
  4. Step 4: Simplify right side
    60,478.20x = 3,634,096,917.03
  5. Step 5: Solve for x
    x = 3,634,096,917.03/60,478.20
  6. Step 6: Final answer
    x = 60,089.37

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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.