Home / 72,608.26-100,187.64-45,381.14

Finding the Fourth Proportional to 72,608.26, 100,187.64 and 45,381.14

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Solution

The fourth proportional to 72,608.26, 100,187.64 and 45,381.14 is: 62,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,608.26 : 100,187.64 = 45,381.14 : x
  2. Step 2: Convert to fraction form
    72,608.26/100,187.64 = 45,381.14/x
  3. Step 3: Cross multiply
    72,608.26x = 100,187.64 × 45,381.14
  4. Step 4: Simplify right side
    72,608.26x = 4,546,628,816.17
  5. Step 5: Solve for x
    x = 4,546,628,816.17/72,608.26
  6. Step 6: Final answer
    x = 62,618.62

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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.