Home / 80,036.02-120,038.62-37,329.66

Finding the Fourth Proportional to 80,036.02, 120,038.62 and 37,329.66

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Solution

The fourth proportional to 80,036.02, 120,038.62 and 37,329.66 is: 55,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,036.02 : 120,038.62 = 37,329.66 : x
  2. Step 2: Convert to fraction form
    80,036.02/120,038.62 = 37,329.66/x
  3. Step 3: Cross multiply
    80,036.02x = 120,038.62 × 37,329.66
  4. Step 4: Simplify right side
    80,036.02x = 4,481,000,900.63
  5. Step 5: Solve for x
    x = 4,481,000,900.63/80,036.02
  6. Step 6: Final answer
    x = 55,987.30

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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.