Home / 118,425.38-163,425.08-64,709.24

Finding the Fourth Proportional to 118,425.38, 163,425.08 and 64,709.24

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Solution

The fourth proportional to 118,425.38, 163,425.08 and 64,709.24 is: 89,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,425.38 : 163,425.08 = 64,709.24 : x
  2. Step 2: Convert to fraction form
    118,425.38/163,425.08 = 64,709.24/x
  3. Step 3: Cross multiply
    118,425.38x = 163,425.08 × 64,709.24
  4. Step 4: Simplify right side
    118,425.38x = 10,575,112,723.74
  5. Step 5: Solve for x
    x = 10,575,112,723.74/118,425.38
  6. Step 6: Final answer
    x = 89,297.69

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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.