Home / 75,982.10-104,855.02-41,989.64

Finding the Fourth Proportional to 75,982.10, 104,855.02 and 41,989.64

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Solution

The fourth proportional to 75,982.10, 104,855.02 and 41,989.64 is: 57,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,982.10 : 104,855.02 = 41,989.64 : x
  2. Step 2: Convert to fraction form
    75,982.10/104,855.02 = 41,989.64/x
  3. Step 3: Cross multiply
    75,982.10x = 104,855.02 × 41,989.64
  4. Step 4: Simplify right side
    75,982.10x = 4,402,824,541.99
  5. Step 5: Solve for x
    x = 4,402,824,541.99/75,982.10
  6. Step 6: Final answer
    x = 57,945.55

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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.