Home / 76,689.59-115,039.04-24,099.07

Finding the Fourth Proportional to 76,689.59, 115,039.04 and 24,099.07

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Solution

The fourth proportional to 76,689.59, 115,039.04 and 24,099.07 is: 36,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,689.59 : 115,039.04 = 24,099.07 : x
  2. Step 2: Convert to fraction form
    76,689.59/115,039.04 = 24,099.07/x
  3. Step 3: Cross multiply
    76,689.59x = 115,039.04 × 24,099.07
  4. Step 4: Simplify right side
    76,689.59x = 2,772,333,685.30
  5. Step 5: Solve for x
    x = 2,772,333,685.30/76,689.59
  6. Step 6: Final answer
    x = 36,150.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.