Home / 107,437.29-161,100.57-48,222.21

Finding the Fourth Proportional to 107,437.29, 161,100.57 and 48,222.21

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Solution

The fourth proportional to 107,437.29, 161,100.57 and 48,222.21 is: 72,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,437.29 : 161,100.57 = 48,222.21 : x
  2. Step 2: Convert to fraction form
    107,437.29/161,100.57 = 48,222.21/x
  3. Step 3: Cross multiply
    107,437.29x = 161,100.57 × 48,222.21
  4. Step 4: Simplify right side
    107,437.29x = 7,768,625,713.90
  5. Step 5: Solve for x
    x = 7,768,625,713.90/107,437.29
  6. Step 6: Final answer
    x = 72,308.47

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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.