Home / 118,047.79-162,901.20-64,331.64

Finding the Fourth Proportional to 118,047.79, 162,901.20 and 64,331.64

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Solution

The fourth proportional to 118,047.79, 162,901.20 and 64,331.64 is: 88,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,047.79 : 162,901.20 = 64,331.64 : x
  2. Step 2: Convert to fraction form
    118,047.79/162,901.20 = 64,331.64/x
  3. Step 3: Cross multiply
    118,047.79x = 162,901.20 × 64,331.64
  4. Step 4: Simplify right side
    118,047.79x = 10,479,701,353.97
  5. Step 5: Solve for x
    x = 10,479,701,353.97/118,047.79
  6. Step 6: Final answer
    x = 88,775.08

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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.