Home / 67,981.06-102,005.07-30,567.57

Finding the Fourth Proportional to 67,981.06, 102,005.07 and 30,567.57

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Solution

The fourth proportional to 67,981.06, 102,005.07 and 30,567.57 is: 45,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,981.06 : 102,005.07 = 30,567.57 : x
  2. Step 2: Convert to fraction form
    67,981.06/102,005.07 = 30,567.57/x
  3. Step 3: Cross multiply
    67,981.06x = 102,005.07 × 30,567.57
  4. Step 4: Simplify right side
    67,981.06x = 3,118,047,117.58
  5. Step 5: Solve for x
    x = 3,118,047,117.58/67,981.06
  6. Step 6: Final answer
    x = 45,866.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.