Home / 107,479.23-161,222.44-48,315.07

Finding the Fourth Proportional to 107,479.23, 161,222.44 and 48,315.07

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Solution

The fourth proportional to 107,479.23, 161,222.44 and 48,315.07 is: 72,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,479.23 : 161,222.44 = 48,315.07 : x
  2. Step 2: Convert to fraction form
    107,479.23/161,222.44 = 48,315.07/x
  3. Step 3: Cross multiply
    107,479.23x = 161,222.44 × 48,315.07
  4. Step 4: Simplify right side
    107,479.23x = 7,789,473,474.17
  5. Step 5: Solve for x
    x = 7,789,473,474.17/107,479.23
  6. Step 6: Final answer
    x = 72,474.22

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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.