Home / 69,699.29-96,189.77-39,484.85

Finding the Fourth Proportional to 69,699.29, 96,189.77 and 39,484.85

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Solution

The fourth proportional to 69,699.29, 96,189.77 and 39,484.85 is: 54,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,699.29 : 96,189.77 = 39,484.85 : x
  2. Step 2: Convert to fraction form
    69,699.29/96,189.77 = 39,484.85/x
  3. Step 3: Cross multiply
    69,699.29x = 96,189.77 × 39,484.85
  4. Step 4: Simplify right side
    69,699.29x = 3,798,038,683.03
  5. Step 5: Solve for x
    x = 3,798,038,683.03/69,699.29
  6. Step 6: Final answer
    x = 54,491.79

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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.