Home / 76,571.56-105,667.62-43,037.32

Finding the Fourth Proportional to 76,571.56, 105,667.62 and 43,037.32

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Solution

The fourth proportional to 76,571.56, 105,667.62 and 43,037.32 is: 59,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,571.56 : 105,667.62 = 43,037.32 : x
  2. Step 2: Convert to fraction form
    76,571.56/105,667.62 = 43,037.32/x
  3. Step 3: Cross multiply
    76,571.56x = 105,667.62 × 43,037.32
  4. Step 4: Simplify right side
    76,571.56x = 4,547,651,175.58
  5. Step 5: Solve for x
    x = 4,547,651,175.58/76,571.56
  6. Step 6: Final answer
    x = 59,390.86

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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.