Home / 75,123.03-103,692.84-43,313.10

Finding the Fourth Proportional to 75,123.03, 103,692.84 and 43,313.10

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Solution

The fourth proportional to 75,123.03, 103,692.84 and 43,313.10 is: 59,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.03 : 103,692.84 = 43,313.10 : x
  2. Step 2: Convert to fraction form
    75,123.03/103,692.84 = 43,313.10/x
  3. Step 3: Cross multiply
    75,123.03x = 103,692.84 × 43,313.10
  4. Step 4: Simplify right side
    75,123.03x = 4,491,258,348.20
  5. Step 5: Solve for x
    x = 4,491,258,348.20/75,123.03
  6. Step 6: Final answer
    x = 59,785.37

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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.