Home / 67,784.47-101,681.71-17,864.24

Finding the Fourth Proportional to 67,784.47, 101,681.71 and 17,864.24

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Solution

The fourth proportional to 67,784.47, 101,681.71 and 17,864.24 is: 26,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,784.47 : 101,681.71 = 17,864.24 : x
  2. Step 2: Convert to fraction form
    67,784.47/101,681.71 = 17,864.24/x
  3. Step 3: Cross multiply
    67,784.47x = 101,681.71 × 17,864.24
  4. Step 4: Simplify right side
    67,784.47x = 1,816,465,917.98
  5. Step 5: Solve for x
    x = 1,816,465,917.98/67,784.47
  6. Step 6: Final answer
    x = 26,797.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.