Home / 85,964.90-129,002.03-50,426.15

Finding the Fourth Proportional to 85,964.90, 129,002.03 and 50,426.15

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Solution

The fourth proportional to 85,964.90, 129,002.03 and 50,426.15 is: 75,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,964.90 : 129,002.03 = 50,426.15 : x
  2. Step 2: Convert to fraction form
    85,964.90/129,002.03 = 50,426.15/x
  3. Step 3: Cross multiply
    85,964.90x = 129,002.03 × 50,426.15
  4. Step 4: Simplify right side
    85,964.90x = 6,505,075,462.95
  5. Step 5: Solve for x
    x = 6,505,075,462.95/85,964.90
  6. Step 6: Final answer
    x = 75,671.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.