Home / 73,006.15-100,748.29-40,740.43

Finding the Fourth Proportional to 73,006.15, 100,748.29 and 40,740.43

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Solution

The fourth proportional to 73,006.15, 100,748.29 and 40,740.43 is: 56,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.15 : 100,748.29 = 40,740.43 : x
  2. Step 2: Convert to fraction form
    73,006.15/100,748.29 = 40,740.43/x
  3. Step 3: Cross multiply
    73,006.15x = 100,748.29 × 40,740.43
  4. Step 4: Simplify right side
    73,006.15x = 4,104,528,152.62
  5. Step 5: Solve for x
    x = 4,104,528,152.62/73,006.15
  6. Step 6: Final answer
    x = 56,221.68

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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.