Home / 76,916.74-115,426.59-26,997.07

Finding the Fourth Proportional to 76,916.74, 115,426.59 and 26,997.07

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Solution

The fourth proportional to 76,916.74, 115,426.59 and 26,997.07 is: 40,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,916.74 : 115,426.59 = 26,997.07 : x
  2. Step 2: Convert to fraction form
    76,916.74/115,426.59 = 26,997.07/x
  3. Step 3: Cross multiply
    76,916.74x = 115,426.59 × 26,997.07
  4. Step 4: Simplify right side
    76,916.74x = 3,116,179,730.09
  5. Step 5: Solve for x
    x = 3,116,179,730.09/76,916.74
  6. Step 6: Final answer
    x = 40,513.67

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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.