Home / 73,000.13-100,740.31-39,466.13

Finding the Fourth Proportional to 73,000.13, 100,740.31 and 39,466.13

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Solution

The fourth proportional to 73,000.13, 100,740.31 and 39,466.13 is: 54,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,000.13 : 100,740.31 = 39,466.13 : x
  2. Step 2: Convert to fraction form
    73,000.13/100,740.31 = 39,466.13/x
  3. Step 3: Cross multiply
    73,000.13x = 100,740.31 × 39,466.13
  4. Step 4: Simplify right side
    73,000.13x = 3,975,829,568.33
  5. Step 5: Solve for x
    x = 3,975,829,568.33/73,000.13
  6. Step 6: Final answer
    x = 54,463.33

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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.