Home / 71,056.20-98,064.26-40,859.21

Finding the Fourth Proportional to 71,056.20, 98,064.26 and 40,859.21

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Solution

The fourth proportional to 71,056.20, 98,064.26 and 40,859.21 is: 56,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,056.20 : 98,064.26 = 40,859.21 : x
  2. Step 2: Convert to fraction form
    71,056.20/98,064.26 = 40,859.21/x
  3. Step 3: Cross multiply
    71,056.20x = 98,064.26 × 40,859.21
  4. Step 4: Simplify right side
    71,056.20x = 4,006,827,498.22
  5. Step 5: Solve for x
    x = 4,006,827,498.22/71,056.20
  6. Step 6: Final answer
    x = 56,389.56

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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.