Home / 77,236.46-106,595.28-47,039.48

Finding the Fourth Proportional to 77,236.46, 106,595.28 and 47,039.48

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Solution

The fourth proportional to 77,236.46, 106,595.28 and 47,039.48 is: 64,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,236.46 : 106,595.28 = 47,039.48 : x
  2. Step 2: Convert to fraction form
    77,236.46/106,595.28 = 47,039.48/x
  3. Step 3: Cross multiply
    77,236.46x = 106,595.28 × 47,039.48
  4. Step 4: Simplify right side
    77,236.46x = 5,014,186,541.65
  5. Step 5: Solve for x
    x = 5,014,186,541.65/77,236.46
  6. Step 6: Final answer
    x = 64,919.94

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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.