Home / 50,905.09-70,252.32-28,246.15

Finding the Fourth Proportional to 50,905.09, 70,252.32 and 28,246.15

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Solution

The fourth proportional to 50,905.09, 70,252.32 and 28,246.15 is: 38,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,905.09 : 70,252.32 = 28,246.15 : x
  2. Step 2: Convert to fraction form
    50,905.09/70,252.32 = 28,246.15/x
  3. Step 3: Cross multiply
    50,905.09x = 70,252.32 × 28,246.15
  4. Step 4: Simplify right side
    50,905.09x = 1,984,357,568.57
  5. Step 5: Solve for x
    x = 1,984,357,568.57/50,905.09
  6. Step 6: Final answer
    x = 38,981.52

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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.