Home / 77,202.02-115,766.04-37,712.90

Finding the Fourth Proportional to 77,202.02, 115,766.04 and 37,712.90

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Solution

The fourth proportional to 77,202.02, 115,766.04 and 37,712.90 is: 56,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,202.02 : 115,766.04 = 37,712.90 : x
  2. Step 2: Convert to fraction form
    77,202.02/115,766.04 = 37,712.90/x
  3. Step 3: Cross multiply
    77,202.02x = 115,766.04 × 37,712.90
  4. Step 4: Simplify right side
    77,202.02x = 4,365,873,089.92
  5. Step 5: Solve for x
    x = 4,365,873,089.92/77,202.02
  6. Step 6: Final answer
    x = 56,551.28

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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.