Home / 73,312.03-101,170.25-39,778.03

Finding the Fourth Proportional to 73,312.03, 101,170.25 and 39,778.03

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Solution

The fourth proportional to 73,312.03, 101,170.25 and 39,778.03 is: 54,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,312.03 : 101,170.25 = 39,778.03 : x
  2. Step 2: Convert to fraction form
    73,312.03/101,170.25 = 39,778.03/x
  3. Step 3: Cross multiply
    73,312.03x = 101,170.25 × 39,778.03
  4. Step 4: Simplify right side
    73,312.03x = 4,024,353,040.72
  5. Step 5: Solve for x
    x = 4,024,353,040.72/73,312.03
  6. Step 6: Final answer
    x = 54,893.49

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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.