Home / 64,420.14-88,900.56-35,740.34

Finding the Fourth Proportional to 64,420.14, 88,900.56 and 35,740.34

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Solution

The fourth proportional to 64,420.14, 88,900.56 and 35,740.34 is: 49,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,420.14 : 88,900.56 = 35,740.34 : x
  2. Step 2: Convert to fraction form
    64,420.14/88,900.56 = 35,740.34/x
  3. Step 3: Cross multiply
    64,420.14x = 88,900.56 × 35,740.34
  4. Step 4: Simplify right side
    64,420.14x = 3,177,336,240.59
  5. Step 5: Solve for x
    x = 3,177,336,240.59/64,420.14
  6. Step 6: Final answer
    x = 49,322.09

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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.