Home / 74,005.93-102,127.97-40,014.18

Finding the Fourth Proportional to 74,005.93, 102,127.97 and 40,014.18

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Solution

The fourth proportional to 74,005.93, 102,127.97 and 40,014.18 is: 55,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,005.93 : 102,127.97 = 40,014.18 : x
  2. Step 2: Convert to fraction form
    74,005.93/102,127.97 = 40,014.18/x
  3. Step 3: Cross multiply
    74,005.93x = 102,127.97 × 40,014.18
  4. Step 4: Simplify right side
    74,005.93x = 4,086,566,974.61
  5. Step 5: Solve for x
    x = 4,086,566,974.61/74,005.93
  6. Step 6: Final answer
    x = 55,219.45

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1.5x scale

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.