Home / 68,318.58-102,497.72-28,330.23

Finding the Fourth Proportional to 68,318.58, 102,497.72 and 28,330.23

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Solution

The fourth proportional to 68,318.58, 102,497.72 and 28,330.23 is: 42,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,318.58 : 102,497.72 = 28,330.23 : x
  2. Step 2: Convert to fraction form
    68,318.58/102,497.72 = 28,330.23/x
  3. Step 3: Cross multiply
    68,318.58x = 102,497.72 × 28,330.23
  4. Step 4: Simplify right side
    68,318.58x = 2,903,783,840.42
  5. Step 5: Solve for x
    x = 2,903,783,840.42/68,318.58
  6. Step 6: Final answer
    x = 42,503.57

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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.