Home / 83,521.84-115,256.52-50,006.32

Finding the Fourth Proportional to 83,521.84, 115,256.52 and 50,006.32

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Solution

The fourth proportional to 83,521.84, 115,256.52 and 50,006.32 is: 69,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.84 : 115,256.52 = 50,006.32 : x
  2. Step 2: Convert to fraction form
    83,521.84/115,256.52 = 50,006.32/x
  3. Step 3: Cross multiply
    83,521.84x = 115,256.52 × 50,006.32
  4. Step 4: Simplify right side
    83,521.84x = 5,763,554,421.21
  5. Step 5: Solve for x
    x = 5,763,554,421.21/83,521.84
  6. Step 6: Final answer
    x = 69,006.55

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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.