Home / 74,017.75-102,146.94-40,483.75

Finding the Fourth Proportional to 74,017.75, 102,146.94 and 40,483.75

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Solution

The fourth proportional to 74,017.75, 102,146.94 and 40,483.75 is: 55,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.75 : 102,146.94 = 40,483.75 : x
  2. Step 2: Convert to fraction form
    74,017.75/102,146.94 = 40,483.75/x
  3. Step 3: Cross multiply
    74,017.75x = 102,146.94 × 40,483.75
  4. Step 4: Simplify right side
    74,017.75x = 4,135,291,182.23
  5. Step 5: Solve for x
    x = 4,135,291,182.23/74,017.75
  6. Step 6: Final answer
    x = 55,868.91

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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.