Home / 66,302.75-91,500.44-38,013.91

Finding the Fourth Proportional to 66,302.75, 91,500.44 and 38,013.91

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Solution

The fourth proportional to 66,302.75, 91,500.44 and 38,013.91 is: 52,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,302.75 : 91,500.44 = 38,013.91 : x
  2. Step 2: Convert to fraction form
    66,302.75/91,500.44 = 38,013.91/x
  3. Step 3: Cross multiply
    66,302.75x = 91,500.44 × 38,013.91
  4. Step 4: Simplify right side
    66,302.75x = 3,478,289,072.30
  5. Step 5: Solve for x
    x = 3,478,289,072.30/66,302.75
  6. Step 6: Final answer
    x = 52,460.70

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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.