Home / 56,719.26-78,188.65-36,299.07

Finding the Fourth Proportional to 56,719.26, 78,188.65 and 36,299.07

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Solution

The fourth proportional to 56,719.26, 78,188.65 and 36,299.07 is: 50,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,719.26 : 78,188.65 = 36,299.07 : x
  2. Step 2: Convert to fraction form
    56,719.26/78,188.65 = 36,299.07/x
  3. Step 3: Cross multiply
    56,719.26x = 78,188.65 × 36,299.07
  4. Step 4: Simplify right side
    56,719.26x = 2,838,175,188.81
  5. Step 5: Solve for x
    x = 2,838,175,188.81/56,719.26
  6. Step 6: Final answer
    x = 50,039.00

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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.