Home / 118,045.48-162,900.66-64,330.96

Finding the Fourth Proportional to 118,045.48, 162,900.66 and 64,330.96

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Solution

The fourth proportional to 118,045.48, 162,900.66 and 64,330.96 is: 88,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045.48 : 162,900.66 = 64,330.96 : x
  2. Step 2: Convert to fraction form
    118,045.48/162,900.66 = 64,330.96/x
  3. Step 3: Cross multiply
    118,045.48x = 162,900.66 × 64,330.96
  4. Step 4: Simplify right side
    118,045.48x = 10,479,555,842.43
  5. Step 5: Solve for x
    x = 10,479,555,842.43/118,045.48
  6. Step 6: Final answer
    x = 88,775.58

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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.