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Finding the Fourth Proportional to 66,026.48, 99,068.94 and 26,660.48

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Solution

The fourth proportional to 66,026.48, 99,068.94 and 26,660.48 is: 40,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026.48 : 99,068.94 = 26,660.48 : x
  2. Step 2: Convert to fraction form
    66,026.48/99,068.94 = 26,660.48/x
  3. Step 3: Cross multiply
    66,026.48x = 99,068.94 × 26,660.48
  4. Step 4: Simplify right side
    66,026.48x = 2,641,224,998.15
  5. Step 5: Solve for x
    x = 2,641,224,998.15/66,026.48
  6. Step 6: Final answer
    x = 40,002.51

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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.