Home / 64,011.93-88,378.08-57,286.00

Finding the Fourth Proportional to 64,011.93, 88,378.08 and 57,286.00

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Solution

The fourth proportional to 64,011.93, 88,378.08 and 57,286.00 is: 79,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,011.93 : 88,378.08 = 57,286.00 : x
  2. Step 2: Convert to fraction form
    64,011.93/88,378.08 = 57,286.00/x
  3. Step 3: Cross multiply
    64,011.93x = 88,378.08 × 57,286.00
  4. Step 4: Simplify right side
    64,011.93x = 5,062,825,962.56
  5. Step 5: Solve for x
    x = 5,062,825,962.56/64,011.93
  6. Step 6: Final answer
    x = 79,091.91

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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.