Home / 48,128.20-72,062.70-37,673.80

Finding the Fourth Proportional to 48,128.20, 72,062.70 and 37,673.80

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Solution

The fourth proportional to 48,128.20, 72,062.70 and 37,673.80 is: 56,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.20 : 72,062.70 = 37,673.80 : x
  2. Step 2: Convert to fraction form
    48,128.20/72,062.70 = 37,673.80/x
  3. Step 3: Cross multiply
    48,128.20x = 72,062.70 × 37,673.80
  4. Step 4: Simplify right side
    48,128.20x = 2,714,875,747.26
  5. Step 5: Solve for x
    x = 2,714,875,747.26/48,128.20
  6. Step 6: Final answer
    x = 56,409.25

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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.