Home / 76,767.28-105,939.06-44,508.15

Finding the Fourth Proportional to 76,767.28, 105,939.06 and 44,508.15

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Solution

The fourth proportional to 76,767.28, 105,939.06 and 44,508.15 is: 61,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,767.28 : 105,939.06 = 44,508.15 : x
  2. Step 2: Convert to fraction form
    76,767.28/105,939.06 = 44,508.15/x
  3. Step 3: Cross multiply
    76,767.28x = 105,939.06 × 44,508.15
  4. Step 4: Simplify right side
    76,767.28x = 4,715,151,406.43
  5. Step 5: Solve for x
    x = 4,715,151,406.43/76,767.28
  6. Step 6: Final answer
    x = 61,421.37

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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.