Home / 65,347.34-90,178.11-36,667.52

Finding the Fourth Proportional to 65,347.34, 90,178.11 and 36,667.52

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Solution

The fourth proportional to 65,347.34, 90,178.11 and 36,667.52 is: 50,600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,347.34 : 90,178.11 = 36,667.52 : x
  2. Step 2: Convert to fraction form
    65,347.34/90,178.11 = 36,667.52/x
  3. Step 3: Cross multiply
    65,347.34x = 90,178.11 × 36,667.52
  4. Step 4: Simplify right side
    65,347.34x = 3,306,607,651.99
  5. Step 5: Solve for x
    x = 3,306,607,651.99/65,347.34
  6. Step 6: Final answer
    x = 50,600.49

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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.