Home / 48,516.02-72,774.03-13,455.68

Finding the Fourth Proportional to 48,516.02, 72,774.03 and 13,455.68

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Solution

The fourth proportional to 48,516.02, 72,774.03 and 13,455.68 is: 20,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,516.02 : 72,774.03 = 13,455.68 : x
  2. Step 2: Convert to fraction form
    48,516.02/72,774.03 = 13,455.68/x
  3. Step 3: Cross multiply
    48,516.02x = 72,774.03 × 13,455.68
  4. Step 4: Simplify right side
    48,516.02x = 979,223,696.12
  5. Step 5: Solve for x
    x = 979,223,696.12/48,516.02
  6. Step 6: Final answer
    x = 20,183.51

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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.