Home / 50,314.12-69,432.03-28,803.14

Finding the Fourth Proportional to 50,314.12, 69,432.03 and 28,803.14

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Solution

The fourth proportional to 50,314.12, 69,432.03 and 28,803.14 is: 39,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,314.12 : 69,432.03 = 28,803.14 : x
  2. Step 2: Convert to fraction form
    50,314.12/69,432.03 = 28,803.14/x
  3. Step 3: Cross multiply
    50,314.12x = 69,432.03 × 28,803.14
  4. Step 4: Simplify right side
    50,314.12x = 1,999,860,480.57
  5. Step 5: Solve for x
    x = 1,999,860,480.57/50,314.12
  6. Step 6: Final answer
    x = 39,747.50

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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.