Home / 76,584.12-105,695.58-43,050.12

Finding the Fourth Proportional to 76,584.12, 105,695.58 and 43,050.12

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Solution

The fourth proportional to 76,584.12, 105,695.58 and 43,050.12 is: 59,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,584.12 : 105,695.58 = 43,050.12 : x
  2. Step 2: Convert to fraction form
    76,584.12/105,695.58 = 43,050.12/x
  3. Step 3: Cross multiply
    76,584.12x = 105,695.58 × 43,050.12
  4. Step 4: Simplify right side
    76,584.12x = 4,550,207,402.47
  5. Step 5: Solve for x
    x = 4,550,207,402.47/76,584.12
  6. Step 6: Final answer
    x = 59,414.50

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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.