Home / 74,599.45-102,948.55-40,608.91

Finding the Fourth Proportional to 74,599.45, 102,948.55 and 40,608.91

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Solution

The fourth proportional to 74,599.45, 102,948.55 and 40,608.91 is: 56,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,599.45 : 102,948.55 = 40,608.91 : x
  2. Step 2: Convert to fraction form
    74,599.45/102,948.55 = 40,608.91/x
  3. Step 3: Cross multiply
    74,599.45x = 102,948.55 × 40,608.91
  4. Step 4: Simplify right side
    74,599.45x = 4,180,628,401.58
  5. Step 5: Solve for x
    x = 4,180,628,401.58/74,599.45
  6. Step 6: Final answer
    x = 56,041.01

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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.