Home / 74,941.95-103,418.67-40,949.70

Finding the Fourth Proportional to 74,941.95, 103,418.67 and 40,949.70

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Solution

The fourth proportional to 74,941.95, 103,418.67 and 40,949.70 is: 56,509.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941.95 : 103,418.67 = 40,949.70 : x
  2. Step 2: Convert to fraction form
    74,941.95/103,418.67 = 40,949.70/x
  3. Step 3: Cross multiply
    74,941.95x = 103,418.67 × 40,949.70
  4. Step 4: Simplify right side
    74,941.95x = 4,234,963,510.90
  5. Step 5: Solve for x
    x = 4,234,963,510.90/74,941.95
  6. Step 6: Final answer
    x = 56,509.92

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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.