Home / 80,079.52-110,506.35-47,395.12

Finding the Fourth Proportional to 80,079.52, 110,506.35 and 47,395.12

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Solution

The fourth proportional to 80,079.52, 110,506.35 and 47,395.12 is: 65,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,079.52 : 110,506.35 = 47,395.12 : x
  2. Step 2: Convert to fraction form
    80,079.52/110,506.35 = 47,395.12/x
  3. Step 3: Cross multiply
    80,079.52x = 110,506.35 × 47,395.12
  4. Step 4: Simplify right side
    80,079.52x = 5,237,461,442.75
  5. Step 5: Solve for x
    x = 5,237,461,442.75/80,079.52
  6. Step 6: Final answer
    x = 65,403.26

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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.