Home / 84,090.83-126,133.50-34,156.15

Finding the Fourth Proportional to 84,090.83, 126,133.50 and 34,156.15

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Solution

The fourth proportional to 84,090.83, 126,133.50 and 34,156.15 is: 51,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.83 : 126,133.50 = 34,156.15 : x
  2. Step 2: Convert to fraction form
    84,090.83/126,133.50 = 34,156.15/x
  3. Step 3: Cross multiply
    84,090.83x = 126,133.50 × 34,156.15
  4. Step 4: Simplify right side
    84,090.83x = 4,308,234,558.78
  5. Step 5: Solve for x
    x = 4,308,234,558.78/84,090.83
  6. Step 6: Final answer
    x = 51,233.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.