Home / 48,103.48-66,339.81-30,200.16

Finding the Fourth Proportional to 48,103.48, 66,339.81 and 30,200.16

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Solution

The fourth proportional to 48,103.48, 66,339.81 and 30,200.16 is: 41,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,103.48 : 66,339.81 = 30,200.16 : x
  2. Step 2: Convert to fraction form
    48,103.48/66,339.81 = 30,200.16/x
  3. Step 3: Cross multiply
    48,103.48x = 66,339.81 × 30,200.16
  4. Step 4: Simplify right side
    48,103.48x = 2,003,472,876.37
  5. Step 5: Solve for x
    x = 2,003,472,876.37/48,103.48
  6. Step 6: Final answer
    x = 41,649.23

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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.