Home / 71,301.36-106,920.45-38,015.22

Finding the Fourth Proportional to 71,301.36, 106,920.45 and 38,015.22

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Solution

The fourth proportional to 71,301.36, 106,920.45 and 38,015.22 is: 57,005.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,301.36 : 106,920.45 = 38,015.22 : x
  2. Step 2: Convert to fraction form
    71,301.36/106,920.45 = 38,015.22/x
  3. Step 3: Cross multiply
    71,301.36x = 106,920.45 × 38,015.22
  4. Step 4: Simplify right side
    71,301.36x = 4,064,604,429.25
  5. Step 5: Solve for x
    x = 4,064,604,429.25/71,301.36
  6. Step 6: Final answer
    x = 57,005.99

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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.