Home / 77,207.27-106,537.08-43,217.66

Finding the Fourth Proportional to 77,207.27, 106,537.08 and 43,217.66

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Solution

The fourth proportional to 77,207.27, 106,537.08 and 43,217.66 is: 59,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207.27 : 106,537.08 = 43,217.66 : x
  2. Step 2: Convert to fraction form
    77,207.27/106,537.08 = 43,217.66/x
  3. Step 3: Cross multiply
    77,207.27x = 106,537.08 × 43,217.66
  4. Step 4: Simplify right side
    77,207.27x = 4,604,283,300.83
  5. Step 5: Solve for x
    x = 4,604,283,300.83/77,207.27
  6. Step 6: Final answer
    x = 59,635.36

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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.