Home / 79,990.02-110,387.88-48,152.16

Finding the Fourth Proportional to 79,990.02, 110,387.88 and 48,152.16

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Solution

The fourth proportional to 79,990.02, 110,387.88 and 48,152.16 is: 66,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,990.02 : 110,387.88 = 48,152.16 : x
  2. Step 2: Convert to fraction form
    79,990.02/110,387.88 = 48,152.16/x
  3. Step 3: Cross multiply
    79,990.02x = 110,387.88 × 48,152.16
  4. Step 4: Simplify right side
    79,990.02x = 5,315,414,859.82
  5. Step 5: Solve for x
    x = 5,315,414,859.82/79,990.02
  6. Step 6: Final answer
    x = 66,450.98

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1.5x scale

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.