Home / 82,223.91-113,370.44-70,122.51

Finding the Fourth Proportional to 82,223.91, 113,370.44 and 70,122.51

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Solution

The fourth proportional to 82,223.91, 113,370.44 and 70,122.51 is: 96,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,223.91 : 113,370.44 = 70,122.51 : x
  2. Step 2: Convert to fraction form
    82,223.91/113,370.44 = 70,122.51/x
  3. Step 3: Cross multiply
    82,223.91x = 113,370.44 × 70,122.51
  4. Step 4: Simplify right side
    82,223.91x = 7,949,819,461.99
  5. Step 5: Solve for x
    x = 7,949,819,461.99/82,223.91
  6. Step 6: Final answer
    x = 96,685.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.