Home / 105,523.46-145,623.24-62,505.32

Finding the Fourth Proportional to 105,523.46, 145,623.24 and 62,505.32

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Solution

The fourth proportional to 105,523.46, 145,623.24 and 62,505.32 is: 86,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,523.46 : 145,623.24 = 62,505.32 : x
  2. Step 2: Convert to fraction form
    105,523.46/145,623.24 = 62,505.32/x
  3. Step 3: Cross multiply
    105,523.46x = 145,623.24 × 62,505.32
  4. Step 4: Simplify right side
    105,523.46x = 9,102,227,215.64
  5. Step 5: Solve for x
    x = 9,102,227,215.64/105,523.46
  6. Step 6: Final answer
    x = 86,257.85

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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.