Home / 85,442.02-117,053.62-82,247.47

Finding the Fourth Proportional to 85,442.02, 117,053.62 and 82,247.47

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Solution

The fourth proportional to 85,442.02, 117,053.62 and 82,247.47 is: 112,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,442.02 : 117,053.62 = 82,247.47 : x
  2. Step 2: Convert to fraction form
    85,442.02/117,053.62 = 82,247.47/x
  3. Step 3: Cross multiply
    85,442.02x = 117,053.62 × 82,247.47
  4. Step 4: Simplify right side
    85,442.02x = 9,627,363,102.84
  5. Step 5: Solve for x
    x = 9,627,363,102.84/85,442.02
  6. Step 6: Final answer
    x = 112,677.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.