Home / 70,297.20-97,196.76-61,439.85

Finding the Fourth Proportional to 70,297.20, 97,196.76 and 61,439.85

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Solution

The fourth proportional to 70,297.20, 97,196.76 and 61,439.85 is: 84,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,297.20 : 97,196.76 = 61,439.85 : x
  2. Step 2: Convert to fraction form
    70,297.20/97,196.76 = 61,439.85/x
  3. Step 3: Cross multiply
    70,297.20x = 97,196.76 × 61,439.85
  4. Step 4: Simplify right side
    70,297.20x = 5,971,754,354.89
  5. Step 5: Solve for x
    x = 5,971,754,354.89/70,297.20
  6. Step 6: Final answer
    x = 84,950.10

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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.