Home / 64,329.14-88,774.24-39,178.64

Finding the Fourth Proportional to 64,329.14, 88,774.24 and 39,178.64

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Solution

The fourth proportional to 64,329.14, 88,774.24 and 39,178.64 is: 54,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,329.14 : 88,774.24 = 39,178.64 : x
  2. Step 2: Convert to fraction form
    64,329.14/88,774.24 = 39,178.64/x
  3. Step 3: Cross multiply
    64,329.14x = 88,774.24 × 39,178.64
  4. Step 4: Simplify right side
    64,329.14x = 3,478,053,990.23
  5. Step 5: Solve for x
    x = 3,478,053,990.23/64,329.14
  6. Step 6: Final answer
    x = 54,066.54

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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.