Home / 75,614.40-104,324.38-42,903.41

Finding the Fourth Proportional to 75,614.40, 104,324.38 and 42,903.41

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Solution

The fourth proportional to 75,614.40, 104,324.38 and 42,903.41 is: 59,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,614.40 : 104,324.38 = 42,903.41 : x
  2. Step 2: Convert to fraction form
    75,614.40/104,324.38 = 42,903.41/x
  3. Step 3: Cross multiply
    75,614.40x = 104,324.38 × 42,903.41
  4. Step 4: Simplify right side
    75,614.40x = 4,475,871,648.14
  5. Step 5: Solve for x
    x = 4,475,871,648.14/75,614.40
  6. Step 6: Final answer
    x = 59,193.38

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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.