Home / 83,656.84-115,439.34-47,841.04

Finding the Fourth Proportional to 83,656.84, 115,439.34 and 47,841.04

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Solution

The fourth proportional to 83,656.84, 115,439.34 and 47,841.04 is: 66,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,656.84 : 115,439.34 = 47,841.04 : x
  2. Step 2: Convert to fraction form
    83,656.84/115,439.34 = 47,841.04/x
  3. Step 3: Cross multiply
    83,656.84x = 115,439.34 × 47,841.04
  4. Step 4: Simplify right side
    83,656.84x = 5,522,738,082.51
  5. Step 5: Solve for x
    x = 5,522,738,082.51/83,656.84
  6. Step 6: Final answer
    x = 66,016.58

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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.