Home / 68,702.04-94,823.46-40,423.86

Finding the Fourth Proportional to 68,702.04, 94,823.46 and 40,423.86

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Solution

The fourth proportional to 68,702.04, 94,823.46 and 40,423.86 is: 55,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,702.04 : 94,823.46 = 40,423.86 : x
  2. Step 2: Convert to fraction form
    68,702.04/94,823.46 = 40,423.86/x
  3. Step 3: Cross multiply
    68,702.04x = 94,823.46 × 40,423.86
  4. Step 4: Simplify right side
    68,702.04x = 3,833,130,271.76
  5. Step 5: Solve for x
    x = 3,833,130,271.76/68,702.04
  6. Step 6: Final answer
    x = 55,793.54

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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.