Home / 84,728.16-127,069.97-40,266.45

Finding the Fourth Proportional to 84,728.16, 127,069.97 and 40,266.45

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Solution

The fourth proportional to 84,728.16, 127,069.97 and 40,266.45 is: 60,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,728.16 : 127,069.97 = 40,266.45 : x
  2. Step 2: Convert to fraction form
    84,728.16/127,069.97 = 40,266.45/x
  3. Step 3: Cross multiply
    84,728.16x = 127,069.97 × 40,266.45
  4. Step 4: Simplify right side
    84,728.16x = 5,116,656,392.17
  5. Step 5: Solve for x
    x = 5,116,656,392.17/84,728.16
  6. Step 6: Final answer
    x = 60,389.09

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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.