Home / 70,745.03-97,626.10-38,913.93

Finding the Fourth Proportional to 70,745.03, 97,626.10 and 38,913.93

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Solution

The fourth proportional to 70,745.03, 97,626.10 and 38,913.93 is: 53,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,745.03 : 97,626.10 = 38,913.93 : x
  2. Step 2: Convert to fraction form
    70,745.03/97,626.10 = 38,913.93/x
  3. Step 3: Cross multiply
    70,745.03x = 97,626.10 × 38,913.93
  4. Step 4: Simplify right side
    70,745.03x = 3,799,015,221.57
  5. Step 5: Solve for x
    x = 3,799,015,221.57/70,745.03
  6. Step 6: Final answer
    x = 53,700.10

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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.