Home / 105,760.56-145,925.97-62,718.18

Finding the Fourth Proportional to 105,760.56, 145,925.97 and 62,718.18

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Solution

The fourth proportional to 105,760.56, 145,925.97 and 62,718.18 is: 86,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,760.56 : 145,925.97 = 62,718.18 : x
  2. Step 2: Convert to fraction form
    105,760.56/145,925.97 = 62,718.18/x
  3. Step 3: Cross multiply
    105,760.56x = 145,925.97 × 62,718.18
  4. Step 4: Simplify right side
    105,760.56x = 9,152,211,379.75
  5. Step 5: Solve for x
    x = 9,152,211,379.75/105,760.56
  6. Step 6: Final answer
    x = 86,537.09

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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.