Home / 70,986.24-97,910.40-49,770.24

Finding the Fourth Proportional to 70,986.24, 97,910.40 and 49,770.24

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Solution

The fourth proportional to 70,986.24, 97,910.40 and 49,770.24 is: 68,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,986.24 : 97,910.40 = 49,770.24 : x
  2. Step 2: Convert to fraction form
    70,986.24/97,910.40 = 49,770.24/x
  3. Step 3: Cross multiply
    70,986.24x = 97,910.40 × 49,770.24
  4. Step 4: Simplify right side
    70,986.24x = 4,873,024,106.50
  5. Step 5: Solve for x
    x = 4,873,024,106.50/70,986.24
  6. Step 6: Final answer
    x = 68,647.45

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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.