Home / 105,505.11-145,606.95-63,062.73

Finding the Fourth Proportional to 105,505.11, 145,606.95 and 63,062.73

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Solution

The fourth proportional to 105,505.11, 145,606.95 and 63,062.73 is: 87,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,505.11 : 145,606.95 = 63,062.73 : x
  2. Step 2: Convert to fraction form
    105,505.11/145,606.95 = 63,062.73/x
  3. Step 3: Cross multiply
    105,505.11x = 145,606.95 × 63,062.73
  4. Step 4: Simplify right side
    105,505.11x = 9,182,371,773.97
  5. Step 5: Solve for x
    x = 9,182,371,773.97/105,505.11
  6. Step 6: Final answer
    x = 87,032.48

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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.