Home / 72,526.33-100,084.83-40,259.07

Finding the Fourth Proportional to 72,526.33, 100,084.83 and 40,259.07

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Solution

The fourth proportional to 72,526.33, 100,084.83 and 40,259.07 is: 55,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.33 : 100,084.83 = 40,259.07 : x
  2. Step 2: Convert to fraction form
    72,526.33/100,084.83 = 40,259.07/x
  3. Step 3: Cross multiply
    72,526.33x = 100,084.83 × 40,259.07
  4. Step 4: Simplify right side
    72,526.33x = 4,029,322,176.91
  5. Step 5: Solve for x
    x = 4,029,322,176.91/72,526.33
  6. Step 6: Final answer
    x = 55,556.68

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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.