Home / 74,205.84-102,404.44-40,214.32

Finding the Fourth Proportional to 74,205.84, 102,404.44 and 40,214.32

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Solution

The fourth proportional to 74,205.84, 102,404.44 and 40,214.32 is: 55,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205.84 : 102,404.44 = 40,214.32 : x
  2. Step 2: Convert to fraction form
    74,205.84/102,404.44 = 40,214.32/x
  3. Step 3: Cross multiply
    74,205.84x = 102,404.44 × 40,214.32
  4. Step 4: Simplify right side
    74,205.84x = 4,118,124,919.58
  5. Step 5: Solve for x
    x = 4,118,124,919.58/74,205.84
  6. Step 6: Final answer
    x = 55,495.97

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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.