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Finding the Fourth Proportional to 76,446.59, 105,488.58 and 44,633.94

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Solution

The fourth proportional to 76,446.59, 105,488.58 and 44,633.94 is: 61,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,446.59 : 105,488.58 = 44,633.94 : x
  2. Step 2: Convert to fraction form
    76,446.59/105,488.58 = 44,633.94/x
  3. Step 3: Cross multiply
    76,446.59x = 105,488.58 × 44,633.94
  4. Step 4: Simplify right side
    76,446.59x = 4,708,370,471.13
  5. Step 5: Solve for x
    x = 4,708,370,471.13/76,446.59
  6. Step 6: Final answer
    x = 61,590.33

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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.