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Finding the Fourth Proportional to 76,484.99, 105,555.96 and 44,664.14

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Solution

The fourth proportional to 76,484.99, 105,555.96 and 44,664.14 is: 61,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,484.99 : 105,555.96 = 44,664.14 : x
  2. Step 2: Convert to fraction form
    76,484.99/105,555.96 = 44,664.14/x
  3. Step 3: Cross multiply
    76,484.99x = 105,555.96 × 44,664.14
  4. Step 4: Simplify right side
    76,484.99x = 4,714,566,439.16
  5. Step 5: Solve for x
    x = 4,714,566,439.16/76,484.99
  6. Step 6: Final answer
    x = 61,640.41

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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.