Home / 99,503.41-149,254.77-40,338.94

Finding the Fourth Proportional to 99,503.41, 149,254.77 and 40,338.94

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Solution

The fourth proportional to 99,503.41, 149,254.77 and 40,338.94 is: 60,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,503.41 : 149,254.77 = 40,338.94 : x
  2. Step 2: Convert to fraction form
    99,503.41/149,254.77 = 40,338.94/x
  3. Step 3: Cross multiply
    99,503.41x = 149,254.77 × 40,338.94
  4. Step 4: Simplify right side
    99,503.41x = 6,020,778,989.88
  5. Step 5: Solve for x
    x = 6,020,778,989.88/99,503.41
  6. Step 6: Final answer
    x = 60,508.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.