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Finding the Fourth Proportional to 73,018.50, 100,776.47 and 44,740.59

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Solution

The fourth proportional to 73,018.50, 100,776.47 and 44,740.59 is: 61,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,018.50 : 100,776.47 = 44,740.59 : x
  2. Step 2: Convert to fraction form
    73,018.50/100,776.47 = 44,740.59/x
  3. Step 3: Cross multiply
    73,018.50x = 100,776.47 × 44,740.59
  4. Step 4: Simplify right side
    73,018.50x = 4,508,798,725.92
  5. Step 5: Solve for x
    x = 4,508,798,725.92/73,018.50
  6. Step 6: Final answer
    x = 61,748.72

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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.