Home / 49,298.36-68,038.76-28,079.60

Finding the Fourth Proportional to 49,298.36, 68,038.76 and 28,079.60

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Solution

The fourth proportional to 49,298.36, 68,038.76 and 28,079.60 is: 38,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,298.36 : 68,038.76 = 28,079.60 : x
  2. Step 2: Convert to fraction form
    49,298.36/68,038.76 = 28,079.60/x
  3. Step 3: Cross multiply
    49,298.36x = 68,038.76 × 28,079.60
  4. Step 4: Simplify right side
    49,298.36x = 1,910,501,165.30
  5. Step 5: Solve for x
    x = 1,910,501,165.30/49,298.36
  6. Step 6: Final answer
    x = 38,753.85

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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.