Home / 83,090.72-114,500.40-59,175.20

Finding the Fourth Proportional to 83,090.72, 114,500.40 and 59,175.20

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Solution

The fourth proportional to 83,090.72, 114,500.40 and 59,175.20 is: 81,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,090.72 : 114,500.40 = 59,175.20 : x
  2. Step 2: Convert to fraction form
    83,090.72/114,500.40 = 59,175.20/x
  3. Step 3: Cross multiply
    83,090.72x = 114,500.40 × 59,175.20
  4. Step 4: Simplify right side
    83,090.72x = 6,775,584,070.08
  5. Step 5: Solve for x
    x = 6,775,584,070.08/83,090.72
  6. Step 6: Final answer
    x = 81,544.41

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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.