Home / 74,117.23-102,281.04-40,124.82

Finding the Fourth Proportional to 74,117.23, 102,281.04 and 40,124.82

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Solution

The fourth proportional to 74,117.23, 102,281.04 and 40,124.82 is: 55,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117.23 : 102,281.04 = 40,124.82 : x
  2. Step 2: Convert to fraction form
    74,117.23/102,281.04 = 40,124.82/x
  3. Step 3: Cross multiply
    74,117.23x = 102,281.04 × 40,124.82
  4. Step 4: Simplify right side
    74,117.23x = 4,104,008,164.02
  5. Step 5: Solve for x
    x = 4,104,008,164.02/74,117.23
  6. Step 6: Final answer
    x = 55,371.85

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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.