Home / 85,127.25-127,709.66-25,967.49

Finding the Fourth Proportional to 85,127.25, 127,709.66 and 25,967.49

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Solution

The fourth proportional to 85,127.25, 127,709.66 and 25,967.49 is: 38,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127.25 : 127,709.66 = 25,967.49 : x
  2. Step 2: Convert to fraction form
    85,127.25/127,709.66 = 25,967.49/x
  3. Step 3: Cross multiply
    85,127.25x = 127,709.66 × 25,967.49
  4. Step 4: Simplify right side
    85,127.25x = 3,316,298,904.96
  5. Step 5: Solve for x
    x = 3,316,298,904.96/85,127.25
  6. Step 6: Final answer
    x = 38,956.96

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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.