Home / 83,520.84-115,255.14-50,005.32

Finding the Fourth Proportional to 83,520.84, 115,255.14 and 50,005.32

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Solution

The fourth proportional to 83,520.84, 115,255.14 and 50,005.32 is: 69,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,520.84 : 115,255.14 = 50,005.32 : x
  2. Step 2: Convert to fraction form
    83,520.84/115,255.14 = 50,005.32/x
  3. Step 3: Cross multiply
    83,520.84x = 115,255.14 × 50,005.32
  4. Step 4: Simplify right side
    83,520.84x = 5,763,370,157.34
  5. Step 5: Solve for x
    x = 5,763,370,157.34/83,520.84
  6. Step 6: Final answer
    x = 69,005.17

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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.