Home / 79,983.12-119,802.15-37,799.54

Finding the Fourth Proportional to 79,983.12, 119,802.15 and 37,799.54

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Solution

The fourth proportional to 79,983.12, 119,802.15 and 37,799.54 is: 56,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,983.12 : 119,802.15 = 37,799.54 : x
  2. Step 2: Convert to fraction form
    79,983.12/119,802.15 = 37,799.54/x
  3. Step 3: Cross multiply
    79,983.12x = 119,802.15 × 37,799.54
  4. Step 4: Simplify right side
    79,983.12x = 4,528,465,562.00
  5. Step 5: Solve for x
    x = 4,528,465,562.00/79,983.12
  6. Step 6: Final answer
    x = 56,617.77

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1.5x scale

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.