Home / 74,717.71-103,110.50-40,725.50

Finding the Fourth Proportional to 74,717.71, 103,110.50 and 40,725.50

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Solution

The fourth proportional to 74,717.71, 103,110.50 and 40,725.50 is: 56,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,717.71 : 103,110.50 = 40,725.50 : x
  2. Step 2: Convert to fraction form
    74,717.71/103,110.50 = 40,725.50/x
  3. Step 3: Cross multiply
    74,717.71x = 103,110.50 × 40,725.50
  4. Step 4: Simplify right side
    74,717.71x = 4,199,226,834.01
  5. Step 5: Solve for x
    x = 4,199,226,834.01/74,717.71
  6. Step 6: Final answer
    x = 56,201.23

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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.