Home / 71,014.79-98,006.29-40,805.98

Finding the Fourth Proportional to 71,014.79, 98,006.29 and 40,805.98

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Solution

The fourth proportional to 71,014.79, 98,006.29 and 40,805.98 is: 56,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,014.79 : 98,006.29 = 40,805.98 : x
  2. Step 2: Convert to fraction form
    71,014.79/98,006.29 = 40,805.98/x
  3. Step 3: Cross multiply
    71,014.79x = 98,006.29 × 40,805.98
  4. Step 4: Simplify right side
    71,014.79x = 3,999,242,362.58
  5. Step 5: Solve for x
    x = 3,999,242,362.58/71,014.79
  6. Step 6: Final answer
    x = 56,315.62

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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.