Home / 61,730.50-85,188.10-33,436.40

Finding the Fourth Proportional to 61,730.50, 85,188.10 and 33,436.40

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Solution

The fourth proportional to 61,730.50, 85,188.10 and 33,436.40 is: 46,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,730.50 : 85,188.10 = 33,436.40 : x
  2. Step 2: Convert to fraction form
    61,730.50/85,188.10 = 33,436.40/x
  3. Step 3: Cross multiply
    61,730.50x = 85,188.10 × 33,436.40
  4. Step 4: Simplify right side
    61,730.50x = 2,848,383,386.84
  5. Step 5: Solve for x
    x = 2,848,383,386.84/61,730.50
  6. Step 6: Final answer
    x = 46,142.24

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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.