Home / 73,270.10-101,113.38-39,736.10

Finding the Fourth Proportional to 73,270.10, 101,113.38 and 39,736.10

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Solution

The fourth proportional to 73,270.10, 101,113.38 and 39,736.10 is: 54,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,270.10 : 101,113.38 = 39,736.10 : x
  2. Step 2: Convert to fraction form
    73,270.10/101,113.38 = 39,736.10/x
  3. Step 3: Cross multiply
    73,270.10x = 101,113.38 × 39,736.10
  4. Step 4: Simplify right side
    73,270.10x = 4,017,851,379.02
  5. Step 5: Solve for x
    x = 4,017,851,379.02/73,270.10
  6. Step 6: Final answer
    x = 54,836.17

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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.