Home / 107,923.30-161,884.95-42,259.30

Finding the Fourth Proportional to 107,923.30, 161,884.95 and 42,259.30

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Solution

The fourth proportional to 107,923.30, 161,884.95 and 42,259.30 is: 63,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,923.30 : 161,884.95 = 42,259.30 : x
  2. Step 2: Convert to fraction form
    107,923.30/161,884.95 = 42,259.30/x
  3. Step 3: Cross multiply
    107,923.30x = 161,884.95 × 42,259.30
  4. Step 4: Simplify right side
    107,923.30x = 6,841,144,667.54
  5. Step 5: Solve for x
    x = 6,841,144,667.54/107,923.30
  6. Step 6: Final answer
    x = 63,388.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.