Home / 86,783.18-119,757.11-50,484.71

Finding the Fourth Proportional to 86,783.18, 119,757.11 and 50,484.71

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Solution

The fourth proportional to 86,783.18, 119,757.11 and 50,484.71 is: 69,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,783.18 : 119,757.11 = 50,484.71 : x
  2. Step 2: Convert to fraction form
    86,783.18/119,757.11 = 50,484.71/x
  3. Step 3: Cross multiply
    86,783.18x = 119,757.11 × 50,484.71
  4. Step 4: Simplify right side
    86,783.18x = 6,045,903,326.15
  5. Step 5: Solve for x
    x = 6,045,903,326.15/86,783.18
  6. Step 6: Final answer
    x = 69,666.76

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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.