Home / 80,490.04-111,071.02-44,680.06

Finding the Fourth Proportional to 80,490.04, 111,071.02 and 44,680.06

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Solution

The fourth proportional to 80,490.04, 111,071.02 and 44,680.06 is: 61,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,490.04 : 111,071.02 = 44,680.06 : x
  2. Step 2: Convert to fraction form
    80,490.04/111,071.02 = 44,680.06/x
  3. Step 3: Cross multiply
    80,490.04x = 111,071.02 × 44,680.06
  4. Step 4: Simplify right side
    80,490.04x = 4,962,659,837.86
  5. Step 5: Solve for x
    x = 4,962,659,837.86/80,490.04
  6. Step 6: Final answer
    x = 61,655.58

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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.