Home / 63,065.12-87,028.20-34,770.08

Finding the Fourth Proportional to 63,065.12, 87,028.20 and 34,770.08

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Solution

The fourth proportional to 63,065.12, 87,028.20 and 34,770.08 is: 47,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.12 : 87,028.20 = 34,770.08 : x
  2. Step 2: Convert to fraction form
    63,065.12/87,028.20 = 34,770.08/x
  3. Step 3: Cross multiply
    63,065.12x = 87,028.20 × 34,770.08
  4. Step 4: Simplify right side
    63,065.12x = 3,025,977,476.26
  5. Step 5: Solve for x
    x = 3,025,977,476.26/63,065.12
  6. Step 6: Final answer
    x = 47,981.79

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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.