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Finding the Fourth Proportional to 73,068.72, 100,834.80 and 41,244.32

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Solution

The fourth proportional to 73,068.72, 100,834.80 and 41,244.32 is: 56,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,068.72 : 100,834.80 = 41,244.32 : x
  2. Step 2: Convert to fraction form
    73,068.72/100,834.80 = 41,244.32/x
  3. Step 3: Cross multiply
    73,068.72x = 100,834.80 × 41,244.32
  4. Step 4: Simplify right side
    73,068.72x = 4,158,862,758.34
  5. Step 5: Solve for x
    x = 4,158,862,758.34/73,068.72
  6. Step 6: Final answer
    x = 56,917.14

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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.