Home / 49,686.11-68,569.23-28,465.42

Finding the Fourth Proportional to 49,686.11, 68,569.23 and 28,465.42

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Solution

The fourth proportional to 49,686.11, 68,569.23 and 28,465.42 is: 39,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,686.11 : 68,569.23 = 28,465.42 : x
  2. Step 2: Convert to fraction form
    49,686.11/68,569.23 = 28,465.42/x
  3. Step 3: Cross multiply
    49,686.11x = 68,569.23 × 28,465.42
  4. Step 4: Simplify right side
    49,686.11x = 1,951,851,931.03
  5. Step 5: Solve for x
    x = 1,951,851,931.03/49,686.11
  6. Step 6: Final answer
    x = 39,283.65

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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.