Home / 75,720.54-104,498.91-41,728.94

Finding the Fourth Proportional to 75,720.54, 104,498.91 and 41,728.94

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Solution

The fourth proportional to 75,720.54, 104,498.91 and 41,728.94 is: 57,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,720.54 : 104,498.91 = 41,728.94 : x
  2. Step 2: Convert to fraction form
    75,720.54/104,498.91 = 41,728.94/x
  3. Step 3: Cross multiply
    75,720.54x = 104,498.91 × 41,728.94
  4. Step 4: Simplify right side
    75,720.54x = 4,360,628,222.96
  5. Step 5: Solve for x
    x = 4,360,628,222.96/75,720.54
  6. Step 6: Final answer
    x = 57,588.45

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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.