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Finding the Fourth Proportional to 76,229.98, 105,201.28 and 46,014.91

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Solution

The fourth proportional to 76,229.98, 105,201.28 and 46,014.91 is: 63,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,229.98 : 105,201.28 = 46,014.91 : x
  2. Step 2: Convert to fraction form
    76,229.98/105,201.28 = 46,014.91/x
  3. Step 3: Cross multiply
    76,229.98x = 105,201.28 × 46,014.91
  4. Step 4: Simplify right side
    76,229.98x = 4,840,827,431.08
  5. Step 5: Solve for x
    x = 4,840,827,431.08/76,229.98
  6. Step 6: Final answer
    x = 63,502.93

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1.5x scale

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.