Home / 83,071.72-124,607.57-45,868.34

Finding the Fourth Proportional to 83,071.72, 124,607.57 and 45,868.34

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Solution

The fourth proportional to 83,071.72, 124,607.57 and 45,868.34 is: 68,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,071.72 : 124,607.57 = 45,868.34 : x
  2. Step 2: Convert to fraction form
    83,071.72/124,607.57 = 45,868.34/x
  3. Step 3: Cross multiply
    83,071.72x = 124,607.57 × 45,868.34
  4. Step 4: Simplify right side
    83,071.72x = 5,715,542,469.51
  5. Step 5: Solve for x
    x = 5,715,542,469.51/83,071.72
  6. Step 6: Final answer
    x = 68,802.51

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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.