Home / 57,363.14-79,139.03-42,291.63

Finding the Fourth Proportional to 57,363.14, 79,139.03 and 42,291.63

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Solution

The fourth proportional to 57,363.14, 79,139.03 and 42,291.63 is: 58,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,363.14 : 79,139.03 = 42,291.63 : x
  2. Step 2: Convert to fraction form
    57,363.14/79,139.03 = 42,291.63/x
  3. Step 3: Cross multiply
    57,363.14x = 79,139.03 × 42,291.63
  4. Step 4: Simplify right side
    57,363.14x = 3,346,918,363.86
  5. Step 5: Solve for x
    x = 3,346,918,363.86/57,363.14
  6. Step 6: Final answer
    x = 58,346.15

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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.