Home / 75,083.40-112,625.10-47,089.80

Finding the Fourth Proportional to 75,083.40, 112,625.10 and 47,089.80

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Solution

The fourth proportional to 75,083.40, 112,625.10 and 47,089.80 is: 70,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.40 : 112,625.10 = 47,089.80 : x
  2. Step 2: Convert to fraction form
    75,083.40/112,625.10 = 47,089.80/x
  3. Step 3: Cross multiply
    75,083.40x = 112,625.10 × 47,089.80
  4. Step 4: Simplify right side
    75,083.40x = 5,303,493,433.98
  5. Step 5: Solve for x
    x = 5,303,493,433.98/75,083.40
  6. Step 6: Final answer
    x = 70,634.70

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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.