Home / 68,606.50-102,880.56-42,304.18

Finding the Fourth Proportional to 68,606.50, 102,880.56 and 42,304.18

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Solution

The fourth proportional to 68,606.50, 102,880.56 and 42,304.18 is: 63,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,606.50 : 102,880.56 = 42,304.18 : x
  2. Step 2: Convert to fraction form
    68,606.50/102,880.56 = 42,304.18/x
  3. Step 3: Cross multiply
    68,606.50x = 102,880.56 × 42,304.18
  4. Step 4: Simplify right side
    68,606.50x = 4,352,277,728.74
  5. Step 5: Solve for x
    x = 4,352,277,728.74/68,606.50
  6. Step 6: Final answer
    x = 63,438.27

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1.5x scale

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.