Home / 106,962.53-147,623.74-61,631.83

Finding the Fourth Proportional to 106,962.53, 147,623.74 and 61,631.83

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Solution

The fourth proportional to 106,962.53, 147,623.74 and 61,631.83 is: 85,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,962.53 : 147,623.74 = 61,631.83 : x
  2. Step 2: Convert to fraction form
    106,962.53/147,623.74 = 61,631.83/x
  3. Step 3: Cross multiply
    106,962.53x = 147,623.74 × 61,631.83
  4. Step 4: Simplify right side
    106,962.53x = 9,098,320,724.51
  5. Step 5: Solve for x
    x = 9,098,320,724.51/106,962.53
  6. Step 6: Final answer
    x = 85,060.82

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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.