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Finding the Fourth Proportional to 94,509.92, 141,803.92 and 47,776.48

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Solution

The fourth proportional to 94,509.92, 141,803.92 and 47,776.48 is: 71,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,509.92 : 141,803.92 = 47,776.48 : x
  2. Step 2: Convert to fraction form
    94,509.92/141,803.92 = 47,776.48/x
  3. Step 3: Cross multiply
    94,509.92x = 141,803.92 × 47,776.48
  4. Step 4: Simplify right side
    94,509.92x = 6,774,892,147.80
  5. Step 5: Solve for x
    x = 6,774,892,147.80/94,509.92
  6. Step 6: Final answer
    x = 71,684.46

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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.