Home / 48,062.36-72,100.40-14,785.20

Finding the Fourth Proportional to 48,062.36, 72,100.40 and 14,785.20

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Solution

The fourth proportional to 48,062.36, 72,100.40 and 14,785.20 is: 22,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,062.36 : 72,100.40 = 14,785.20 : x
  2. Step 2: Convert to fraction form
    48,062.36/72,100.40 = 14,785.20/x
  3. Step 3: Cross multiply
    48,062.36x = 72,100.40 × 14,785.20
  4. Step 4: Simplify right side
    48,062.36x = 1,066,018,834.08
  5. Step 5: Solve for x
    x = 1,066,018,834.08/48,062.36
  6. Step 6: Final answer
    x = 22,179.91

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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.