Home / 70,351.30-97,084.77-38,520.19

Finding the Fourth Proportional to 70,351.30, 97,084.77 and 38,520.19

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Solution

The fourth proportional to 70,351.30, 97,084.77 and 38,520.19 is: 53,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351.30 : 97,084.77 = 38,520.19 : x
  2. Step 2: Convert to fraction form
    70,351.30/97,084.77 = 38,520.19/x
  3. Step 3: Cross multiply
    70,351.30x = 97,084.77 × 38,520.19
  4. Step 4: Simplify right side
    70,351.30x = 3,739,723,786.51
  5. Step 5: Solve for x
    x = 3,739,723,786.51/70,351.30
  6. Step 6: Final answer
    x = 53,157.85

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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.