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Finding the Fourth Proportional to 85,463.62, 128,207.58 and 26,304.22

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Solution

The fourth proportional to 85,463.62, 128,207.58 and 26,304.22 is: 39,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,463.62 : 128,207.58 = 26,304.22 : x
  2. Step 2: Convert to fraction form
    85,463.62/128,207.58 = 26,304.22/x
  3. Step 3: Cross multiply
    85,463.62x = 128,207.58 × 26,304.22
  4. Step 4: Simplify right side
    85,463.62x = 3,372,400,389.99
  5. Step 5: Solve for x
    x = 3,372,400,389.99/85,463.62
  6. Step 6: Final answer
    x = 39,460.07

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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.