Home / 74,216.32-102,414.72-40,675.84

Finding the Fourth Proportional to 74,216.32, 102,414.72 and 40,675.84

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Solution

The fourth proportional to 74,216.32, 102,414.72 and 40,675.84 is: 56,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,216.32 : 102,414.72 = 40,675.84 : x
  2. Step 2: Convert to fraction form
    74,216.32/102,414.72 = 40,675.84/x
  3. Step 3: Cross multiply
    74,216.32x = 102,414.72 × 40,675.84
  4. Step 4: Simplify right side
    74,216.32x = 4,165,804,764.36
  5. Step 5: Solve for x
    x = 4,165,804,764.36/74,216.32
  6. Step 6: Final answer
    x = 56,130.58

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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.