Home / 75,672.32-104,426.28-47,393.60

Finding the Fourth Proportional to 75,672.32, 104,426.28 and 47,393.60

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Solution

The fourth proportional to 75,672.32, 104,426.28 and 47,393.60 is: 65,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672.32 : 104,426.28 = 47,393.60 : x
  2. Step 2: Convert to fraction form
    75,672.32/104,426.28 = 47,393.60/x
  3. Step 3: Cross multiply
    75,672.32x = 104,426.28 × 47,393.60
  4. Step 4: Simplify right side
    75,672.32x = 4,949,137,343.81
  5. Step 5: Solve for x
    x = 4,949,137,343.81/75,672.32
  6. Step 6: Final answer
    x = 65,402.22

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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.