Home / 71,519.04-98,695.35-40,891.77

Finding the Fourth Proportional to 71,519.04, 98,695.35 and 40,891.77

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Solution

The fourth proportional to 71,519.04, 98,695.35 and 40,891.77 is: 56,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,519.04 : 98,695.35 = 40,891.77 : x
  2. Step 2: Convert to fraction form
    71,519.04/98,695.35 = 40,891.77/x
  3. Step 3: Cross multiply
    71,519.04x = 98,695.35 × 40,891.77
  4. Step 4: Simplify right side
    71,519.04x = 4,035,827,552.27
  5. Step 5: Solve for x
    x = 4,035,827,552.27/71,519.04
  6. Step 6: Final answer
    x = 56,430.11

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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.