Home / 69,673.08-96,147.48-39,457.92

Finding the Fourth Proportional to 69,673.08, 96,147.48 and 39,457.92

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Solution

The fourth proportional to 69,673.08, 96,147.48 and 39,457.92 is: 54,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,673.08 : 96,147.48 = 39,457.92 : x
  2. Step 2: Convert to fraction form
    69,673.08/96,147.48 = 39,457.92/x
  3. Step 3: Cross multiply
    69,673.08x = 96,147.48 × 39,457.92
  4. Step 4: Simplify right side
    69,673.08x = 3,793,779,574.04
  5. Step 5: Solve for x
    x = 3,793,779,574.04/69,673.08
  6. Step 6: Final answer
    x = 54,451.15

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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.