Home / 61,801.20-85,285.80-33,506.76

Finding the Fourth Proportional to 61,801.20, 85,285.80 and 33,506.76

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Solution

The fourth proportional to 61,801.20, 85,285.80 and 33,506.76 is: 46,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,801.20 : 85,285.80 = 33,506.76 : x
  2. Step 2: Convert to fraction form
    61,801.20/85,285.80 = 33,506.76/x
  3. Step 3: Cross multiply
    61,801.20x = 85,285.80 × 33,506.76
  4. Step 4: Simplify right side
    61,801.20x = 2,857,650,832.01
  5. Step 5: Solve for x
    x = 2,857,650,832.01/61,801.20
  6. Step 6: Final answer
    x = 46,239.41

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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.