Home / 69,326.66-95,666.49-39,116.74

Finding the Fourth Proportional to 69,326.66, 95,666.49 and 39,116.74

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Solution

The fourth proportional to 69,326.66, 95,666.49 and 39,116.74 is: 53,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,326.66 : 95,666.49 = 39,116.74 : x
  2. Step 2: Convert to fraction form
    69,326.66/95,666.49 = 39,116.74/x
  3. Step 3: Cross multiply
    69,326.66x = 95,666.49 × 39,116.74
  4. Step 4: Simplify right side
    69,326.66x = 3,742,161,216.04
  5. Step 5: Solve for x
    x = 3,742,161,216.04/69,326.66
  6. Step 6: Final answer
    x = 53,978.67

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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.