Home / 57,428.90-79,253.60-34,772.04

Finding the Fourth Proportional to 57,428.90, 79,253.60 and 34,772.04

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Solution

The fourth proportional to 57,428.90, 79,253.60 and 34,772.04 is: 47,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,428.90 : 79,253.60 = 34,772.04 : x
  2. Step 2: Convert to fraction form
    57,428.90/79,253.60 = 34,772.04/x
  3. Step 3: Cross multiply
    57,428.90x = 79,253.60 × 34,772.04
  4. Step 4: Simplify right side
    57,428.90x = 2,755,809,349.34
  5. Step 5: Solve for x
    x = 2,755,809,349.34/57,428.90
  6. Step 6: Final answer
    x = 47,986.46

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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.