Home / 75,510.21-104,204.49-41,520.89

Finding the Fourth Proportional to 75,510.21, 104,204.49 and 41,520.89

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Solution

The fourth proportional to 75,510.21, 104,204.49 and 41,520.89 is: 57,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,510.21 : 104,204.49 = 41,520.89 : x
  2. Step 2: Convert to fraction form
    75,510.21/104,204.49 = 41,520.89/x
  3. Step 3: Cross multiply
    75,510.21x = 104,204.49 × 41,520.89
  4. Step 4: Simplify right side
    75,510.21x = 4,326,662,959.19
  5. Step 5: Solve for x
    x = 4,326,662,959.19/75,510.21
  6. Step 6: Final answer
    x = 57,299.05

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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.