Home / 107,221.89-147,960.75-59,474.22

Finding the Fourth Proportional to 107,221.89, 147,960.75 and 59,474.22

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Solution

The fourth proportional to 107,221.89, 147,960.75 and 59,474.22 is: 82,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,221.89 : 147,960.75 = 59,474.22 : x
  2. Step 2: Convert to fraction form
    107,221.89/147,960.75 = 59,474.22/x
  3. Step 3: Cross multiply
    107,221.89x = 147,960.75 × 59,474.22
  4. Step 4: Simplify right side
    107,221.89x = 8,799,850,196.87
  5. Step 5: Solve for x
    x = 8,799,850,196.87/107,221.89
  6. Step 6: Final answer
    x = 82,071.40

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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.