Home / 67,868.83-101,762.23-30,421.92

Finding the Fourth Proportional to 67,868.83, 101,762.23 and 30,421.92

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Solution

The fourth proportional to 67,868.83, 101,762.23 and 30,421.92 is: 45,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,868.83 : 101,762.23 = 30,421.92 : x
  2. Step 2: Convert to fraction form
    67,868.83/101,762.23 = 30,421.92/x
  3. Step 3: Cross multiply
    67,868.83x = 101,762.23 × 30,421.92
  4. Step 4: Simplify right side
    67,868.83x = 3,095,802,420.08
  5. Step 5: Solve for x
    x = 3,095,802,420.08/67,868.83
  6. Step 6: Final answer
    x = 45,614.50

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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.