Home / 48,912.93-72,931.29-48,027.20

Finding the Fourth Proportional to 48,912.93, 72,931.29 and 48,027.20

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Solution

The fourth proportional to 48,912.93, 72,931.29 and 48,027.20 is: 71,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,912.93 : 72,931.29 = 48,027.20 : x
  2. Step 2: Convert to fraction form
    48,912.93/72,931.29 = 48,027.20/x
  3. Step 3: Cross multiply
    48,912.93x = 72,931.29 × 48,027.20
  4. Step 4: Simplify right side
    48,912.93x = 3,502,685,106.33
  5. Step 5: Solve for x
    x = 3,502,685,106.33/48,912.93
  6. Step 6: Final answer
    x = 71,610.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.