Home / 105,889.96-146,116.02-62,854.12

Finding the Fourth Proportional to 105,889.96, 146,116.02 and 62,854.12

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Solution

The fourth proportional to 105,889.96, 146,116.02 and 62,854.12 is: 86,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,889.96 : 146,116.02 = 62,854.12 : x
  2. Step 2: Convert to fraction form
    105,889.96/146,116.02 = 62,854.12/x
  3. Step 3: Cross multiply
    105,889.96x = 146,116.02 × 62,854.12
  4. Step 4: Simplify right side
    105,889.96x = 9,183,993,855.00
  5. Step 5: Solve for x
    x = 9,183,993,855.00/105,889.96
  6. Step 6: Final answer
    x = 86,731.49

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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.