Home / 57,683.49-79,603.23-31,842.05

Finding the Fourth Proportional to 57,683.49, 79,603.23 and 31,842.05

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Solution

The fourth proportional to 57,683.49, 79,603.23 and 31,842.05 is: 43,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,683.49 : 79,603.23 = 31,842.05 : x
  2. Step 2: Convert to fraction form
    57,683.49/79,603.23 = 31,842.05/x
  3. Step 3: Cross multiply
    57,683.49x = 79,603.23 × 31,842.05
  4. Step 4: Simplify right side
    57,683.49x = 2,534,729,870.61
  5. Step 5: Solve for x
    x = 2,534,729,870.61/57,683.49
  6. Step 6: Final answer
    x = 43,942.04

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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.