Home / 94,723.62-142,054.65-31,530.30

Finding the Fourth Proportional to 94,723.62, 142,054.65 and 31,530.30

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Solution

The fourth proportional to 94,723.62, 142,054.65 and 31,530.30 is: 47,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,723.62 : 142,054.65 = 31,530.30 : x
  2. Step 2: Convert to fraction form
    94,723.62/142,054.65 = 31,530.30/x
  3. Step 3: Cross multiply
    94,723.62x = 142,054.65 × 31,530.30
  4. Step 4: Simplify right side
    94,723.62x = 4,479,025,730.90
  5. Step 5: Solve for x
    x = 4,479,025,730.90/94,723.62
  6. Step 6: Final answer
    x = 47,285.20

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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.