Home / 74,963.76-103,454.22-40,975.38

Finding the Fourth Proportional to 74,963.76, 103,454.22 and 40,975.38

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Solution

The fourth proportional to 74,963.76, 103,454.22 and 40,975.38 is: 56,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,963.76 : 103,454.22 = 40,975.38 : x
  2. Step 2: Convert to fraction form
    74,963.76/103,454.22 = 40,975.38/x
  3. Step 3: Cross multiply
    74,963.76x = 103,454.22 × 40,975.38
  4. Step 4: Simplify right side
    74,963.76x = 4,239,075,977.10
  5. Step 5: Solve for x
    x = 4,239,075,977.10/74,963.76
  6. Step 6: Final answer
    x = 56,548.34

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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.