Home / 70,701.20-97,567.91-38,872.11

Finding the Fourth Proportional to 70,701.20, 97,567.91 and 38,872.11

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Solution

The fourth proportional to 70,701.20, 97,567.91 and 38,872.11 is: 53,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.20 : 97,567.91 = 38,872.11 : x
  2. Step 2: Convert to fraction form
    70,701.20/97,567.91 = 38,872.11/x
  3. Step 3: Cross multiply
    70,701.20x = 97,567.91 × 38,872.11
  4. Step 4: Simplify right side
    70,701.20x = 3,792,670,529.99
  5. Step 5: Solve for x
    x = 3,792,670,529.99/70,701.20
  6. Step 6: Final answer
    x = 53,643.65

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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.