Home / 85,084.47-127,645.74-25,924.77

Finding the Fourth Proportional to 85,084.47, 127,645.74 and 25,924.77

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Solution

The fourth proportional to 85,084.47, 127,645.74 and 25,924.77 is: 38,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,084.47 : 127,645.74 = 25,924.77 : x
  2. Step 2: Convert to fraction form
    85,084.47/127,645.74 = 25,924.77/x
  3. Step 3: Cross multiply
    85,084.47x = 127,645.74 × 25,924.77
  4. Step 4: Simplify right side
    85,084.47x = 3,309,186,450.98
  5. Step 5: Solve for x
    x = 3,309,186,450.98/85,084.47
  6. Step 6: Final answer
    x = 38,892.95

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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.