Home / 107,381.75-161,050.75-40,798.53

Finding the Fourth Proportional to 107,381.75, 161,050.75 and 40,798.53

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Solution

The fourth proportional to 107,381.75, 161,050.75 and 40,798.53 is: 61,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,381.75 : 161,050.75 = 40,798.53 : x
  2. Step 2: Convert to fraction form
    107,381.75/161,050.75 = 40,798.53/x
  3. Step 3: Cross multiply
    107,381.75x = 161,050.75 × 40,798.53
  4. Step 4: Simplify right side
    107,381.75x = 6,570,633,753.40
  5. Step 5: Solve for x
    x = 6,570,633,753.40/107,381.75
  6. Step 6: Final answer
    x = 61,189.49

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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.