Home / 105,827.67-146,042.19-63,410.76

Finding the Fourth Proportional to 105,827.67, 146,042.19 and 63,410.76

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Solution

The fourth proportional to 105,827.67, 146,042.19 and 63,410.76 is: 87,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,827.67 : 146,042.19 = 63,410.76 : x
  2. Step 2: Convert to fraction form
    105,827.67/146,042.19 = 63,410.76/x
  3. Step 3: Cross multiply
    105,827.67x = 146,042.19 × 63,410.76
  4. Step 4: Simplify right side
    105,827.67x = 9,260,646,259.96
  5. Step 5: Solve for x
    x = 9,260,646,259.96/105,827.67
  6. Step 6: Final answer
    x = 87,506.85

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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.