Home / 84,838.09-127,063.34-40,496.05

Finding the Fourth Proportional to 84,838.09, 127,063.34 and 40,496.05

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Solution

The fourth proportional to 84,838.09, 127,063.34 and 40,496.05 is: 60,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,838.09 : 127,063.34 = 40,496.05 : x
  2. Step 2: Convert to fraction form
    84,838.09/127,063.34 = 40,496.05/x
  3. Step 3: Cross multiply
    84,838.09x = 127,063.34 × 40,496.05
  4. Step 4: Simplify right side
    84,838.09x = 5,145,563,369.81
  5. Step 5: Solve for x
    x = 5,145,563,369.81/84,838.09
  6. Step 6: Final answer
    x = 60,651.57

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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.