Home / 50,310.55-75,468.41-12,870.95

Finding the Fourth Proportional to 50,310.55, 75,468.41 and 12,870.95

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Solution

The fourth proportional to 50,310.55, 75,468.41 and 12,870.95 is: 19,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,310.55 : 75,468.41 = 12,870.95 : x
  2. Step 2: Convert to fraction form
    50,310.55/75,468.41 = 12,870.95/x
  3. Step 3: Cross multiply
    50,310.55x = 75,468.41 × 12,870.95
  4. Step 4: Simplify right side
    50,310.55x = 971,350,081.60
  5. Step 5: Solve for x
    x = 971,350,081.60/50,310.55
  6. Step 6: Final answer
    x = 19,307.08

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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.