Home / 50,256.60-75,320.10-38,511.60

Finding the Fourth Proportional to 50,256.60, 75,320.10 and 38,511.60

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Solution

The fourth proportional to 50,256.60, 75,320.10 and 38,511.60 is: 57,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,256.60 : 75,320.10 = 38,511.60 : x
  2. Step 2: Convert to fraction form
    50,256.60/75,320.10 = 38,511.60/x
  3. Step 3: Cross multiply
    50,256.60x = 75,320.10 × 38,511.60
  4. Step 4: Simplify right side
    50,256.60x = 2,900,697,563.16
  5. Step 5: Solve for x
    x = 2,900,697,563.16/50,256.60
  6. Step 6: Final answer
    x = 57,717.74

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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.