Home / 57,430.03-79,249.54-34,781.60

Finding the Fourth Proportional to 57,430.03, 79,249.54 and 34,781.60

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Solution

The fourth proportional to 57,430.03, 79,249.54 and 34,781.60 is: 47,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430.03 : 79,249.54 = 34,781.60 : x
  2. Step 2: Convert to fraction form
    57,430.03/79,249.54 = 34,781.60/x
  3. Step 3: Cross multiply
    57,430.03x = 79,249.54 × 34,781.60
  4. Step 4: Simplify right side
    57,430.03x = 2,756,425,800.46
  5. Step 5: Solve for x
    x = 2,756,425,800.46/57,430.03
  6. Step 6: Final answer
    x = 47,996.25

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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.