Home / 61,679.28-85,117.98-33,385.56

Finding the Fourth Proportional to 61,679.28, 85,117.98 and 33,385.56

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Solution

The fourth proportional to 61,679.28, 85,117.98 and 33,385.56 is: 46,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,679.28 : 85,117.98 = 33,385.56 : x
  2. Step 2: Convert to fraction form
    61,679.28/85,117.98 = 33,385.56/x
  3. Step 3: Cross multiply
    61,679.28x = 85,117.98 × 33,385.56
  4. Step 4: Simplify right side
    61,679.28x = 2,841,711,428.37
  5. Step 5: Solve for x
    x = 2,841,711,428.37/61,679.28
  6. Step 6: Final answer
    x = 46,072.38

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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.