Home / 64,007.20-88,329.60-35,712.84

Finding the Fourth Proportional to 64,007.20, 88,329.60 and 35,712.84

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Solution

The fourth proportional to 64,007.20, 88,329.60 and 35,712.84 is: 49,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,007.20 : 88,329.60 = 35,712.84 : x
  2. Step 2: Convert to fraction form
    64,007.20/88,329.60 = 35,712.84/x
  3. Step 3: Cross multiply
    64,007.20x = 88,329.60 × 35,712.84
  4. Step 4: Simplify right side
    64,007.20x = 3,154,500,872.06
  5. Step 5: Solve for x
    x = 3,154,500,872.06/64,007.20
  6. Step 6: Final answer
    x = 49,283.53

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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.