Home / 61,868.20-92,802.30-46,121.80

Finding the Fourth Proportional to 61,868.20, 92,802.30 and 46,121.80

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Solution

The fourth proportional to 61,868.20, 92,802.30 and 46,121.80 is: 69,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,868.20 : 92,802.30 = 46,121.80 : x
  2. Step 2: Convert to fraction form
    61,868.20/92,802.30 = 46,121.80/x
  3. Step 3: Cross multiply
    61,868.20x = 92,802.30 × 46,121.80
  4. Step 4: Simplify right side
    61,868.20x = 4,280,209,120.14
  5. Step 5: Solve for x
    x = 4,280,209,120.14/61,868.20
  6. Step 6: Final answer
    x = 69,182.70

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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.