Home / 80,320.02-110,844.48-48,482.70

Finding the Fourth Proportional to 80,320.02, 110,844.48 and 48,482.70

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Solution

The fourth proportional to 80,320.02, 110,844.48 and 48,482.70 is: 66,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,320.02 : 110,844.48 = 48,482.70 : x
  2. Step 2: Convert to fraction form
    80,320.02/110,844.48 = 48,482.70/x
  3. Step 3: Cross multiply
    80,320.02x = 110,844.48 × 48,482.70
  4. Step 4: Simplify right side
    80,320.02x = 5,374,039,670.50
  5. Step 5: Solve for x
    x = 5,374,039,670.50/80,320.02
  6. Step 6: Final answer
    x = 66,907.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.