Home / 71,926.32-99,261.69-40,095.45

Finding the Fourth Proportional to 71,926.32, 99,261.69 and 40,095.45

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Solution

The fourth proportional to 71,926.32, 99,261.69 and 40,095.45 is: 55,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,926.32 : 99,261.69 = 40,095.45 : x
  2. Step 2: Convert to fraction form
    71,926.32/99,261.69 = 40,095.45/x
  3. Step 3: Cross multiply
    71,926.32x = 99,261.69 × 40,095.45
  4. Step 4: Simplify right side
    71,926.32x = 3,979,941,977.95
  5. Step 5: Solve for x
    x = 3,979,941,977.95/71,926.32
  6. Step 6: Final answer
    x = 55,333.59

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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.