Home / 106,961.16-147,621.84-61,630.46

Finding the Fourth Proportional to 106,961.16, 147,621.84 and 61,630.46

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Solution

The fourth proportional to 106,961.16, 147,621.84 and 61,630.46 is: 85,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,961.16 : 147,621.84 = 61,630.46 : x
  2. Step 2: Convert to fraction form
    106,961.16/147,621.84 = 61,630.46/x
  3. Step 3: Cross multiply
    106,961.16x = 147,621.84 × 61,630.46
  4. Step 4: Simplify right side
    106,961.16x = 9,098,001,905.25
  5. Step 5: Solve for x
    x = 9,098,001,905.25/106,961.16
  6. Step 6: Final answer
    x = 85,058.93

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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.