Home / 67,614.04-101,409.18-20,854.36

Finding the Fourth Proportional to 67,614.04, 101,409.18 and 20,854.36

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Solution

The fourth proportional to 67,614.04, 101,409.18 and 20,854.36 is: 31,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,614.04 : 101,409.18 = 20,854.36 : x
  2. Step 2: Convert to fraction form
    67,614.04/101,409.18 = 20,854.36/x
  3. Step 3: Cross multiply
    67,614.04x = 101,409.18 × 20,854.36
  4. Step 4: Simplify right side
    67,614.04x = 2,114,823,547.02
  5. Step 5: Solve for x
    x = 2,114,823,547.02/67,614.04
  6. Step 6: Final answer
    x = 31,277.88

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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.