Home / 76,552.62-105,629.84-42,560.16

Finding the Fourth Proportional to 76,552.62, 105,629.84 and 42,560.16

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Solution

The fourth proportional to 76,552.62, 105,629.84 and 42,560.16 is: 58,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,552.62 : 105,629.84 = 42,560.16 : x
  2. Step 2: Convert to fraction form
    76,552.62/105,629.84 = 42,560.16/x
  3. Step 3: Cross multiply
    76,552.62x = 105,629.84 × 42,560.16
  4. Step 4: Simplify right side
    76,552.62x = 4,495,622,891.17
  5. Step 5: Solve for x
    x = 4,495,622,891.17/76,552.62
  6. Step 6: Final answer
    x = 58,725.92

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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.