Home / 57,712.08-79,465.02-49,195.11

Finding the Fourth Proportional to 57,712.08, 79,465.02 and 49,195.11

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Solution

The fourth proportional to 57,712.08, 79,465.02 and 49,195.11 is: 67,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.08 : 79,465.02 = 49,195.11 : x
  2. Step 2: Convert to fraction form
    57,712.08/79,465.02 = 49,195.11/x
  3. Step 3: Cross multiply
    57,712.08x = 79,465.02 × 49,195.11
  4. Step 4: Simplify right side
    57,712.08x = 3,909,290,400.05
  5. Step 5: Solve for x
    x = 3,909,290,400.05/57,712.08
  6. Step 6: Final answer
    x = 67,737.82

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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.