Home / 49,959.18-74,574.32-43,653.42

Finding the Fourth Proportional to 49,959.18, 74,574.32 and 43,653.42

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Solution

The fourth proportional to 49,959.18, 74,574.32 and 43,653.42 is: 65,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,959.18 : 74,574.32 = 43,653.42 : x
  2. Step 2: Convert to fraction form
    49,959.18/74,574.32 = 43,653.42/x
  3. Step 3: Cross multiply
    49,959.18x = 74,574.32 × 43,653.42
  4. Step 4: Simplify right side
    49,959.18x = 3,255,423,893.91
  5. Step 5: Solve for x
    x = 3,255,423,893.91/49,959.18
  6. Step 6: Final answer
    x = 65,161.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.