Home / 74,117.41-102,282.19-40,126.25

Finding the Fourth Proportional to 74,117.41, 102,282.19 and 40,126.25

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Solution

The fourth proportional to 74,117.41, 102,282.19 and 40,126.25 is: 55,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117.41 : 102,282.19 = 40,126.25 : x
  2. Step 2: Convert to fraction form
    74,117.41/102,282.19 = 40,126.25/x
  3. Step 3: Cross multiply
    74,117.41x = 102,282.19 × 40,126.25
  4. Step 4: Simplify right side
    74,117.41x = 4,104,200,881.88
  5. Step 5: Solve for x
    x = 4,104,200,881.88/74,117.41
  6. Step 6: Final answer
    x = 55,374.32

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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.