Home / 55,320.80-82,981.20-37,606.10

Finding the Fourth Proportional to 55,320.80, 82,981.20 and 37,606.10

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Solution

The fourth proportional to 55,320.80, 82,981.20 and 37,606.10 is: 56,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,320.80 : 82,981.20 = 37,606.10 : x
  2. Step 2: Convert to fraction form
    55,320.80/82,981.20 = 37,606.10/x
  3. Step 3: Cross multiply
    55,320.80x = 82,981.20 × 37,606.10
  4. Step 4: Simplify right side
    55,320.80x = 3,120,599,305.32
  5. Step 5: Solve for x
    x = 3,120,599,305.32/55,320.80
  6. Step 6: Final answer
    x = 56,409.15

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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.