Home / 70,891.20-97,830.45-39,060.18

Finding the Fourth Proportional to 70,891.20, 97,830.45 and 39,060.18

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Solution

The fourth proportional to 70,891.20, 97,830.45 and 39,060.18 is: 53,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,891.20 : 97,830.45 = 39,060.18 : x
  2. Step 2: Convert to fraction form
    70,891.20/97,830.45 = 39,060.18/x
  3. Step 3: Cross multiply
    70,891.20x = 97,830.45 × 39,060.18
  4. Step 4: Simplify right side
    70,891.20x = 3,821,274,986.48
  5. Step 5: Solve for x
    x = 3,821,274,986.48/70,891.20
  6. Step 6: Final answer
    x = 53,903.38

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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.