Home / 107,725.41-148,667.20-64,718.06

Finding the Fourth Proportional to 107,725.41, 148,667.20 and 64,718.06

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Solution

The fourth proportional to 107,725.41, 148,667.20 and 64,718.06 is: 89,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,725.41 : 148,667.20 = 64,718.06 : x
  2. Step 2: Convert to fraction form
    107,725.41/148,667.20 = 64,718.06/x
  3. Step 3: Cross multiply
    107,725.41x = 148,667.20 × 64,718.06
  4. Step 4: Simplify right side
    107,725.41x = 9,621,452,559.76
  5. Step 5: Solve for x
    x = 9,621,452,559.76/107,725.41
  6. Step 6: Final answer
    x = 89,314.60

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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.