Home / 85,065.23-127,597.89-38,263.43

Finding the Fourth Proportional to 85,065.23, 127,597.89 and 38,263.43

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Solution

The fourth proportional to 85,065.23, 127,597.89 and 38,263.43 is: 57,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065.23 : 127,597.89 = 38,263.43 : x
  2. Step 2: Convert to fraction form
    85,065.23/127,597.89 = 38,263.43/x
  3. Step 3: Cross multiply
    85,065.23x = 127,597.89 × 38,263.43
  4. Step 4: Simplify right side
    85,065.23x = 4,882,332,932.16
  5. Step 5: Solve for x
    x = 4,882,332,932.16/85,065.23
  6. Step 6: Final answer
    x = 57,395.17

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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.