Home / 69,879.18-96,430.05-38,047.98

Finding the Fourth Proportional to 69,879.18, 96,430.05 and 38,047.98

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Solution

The fourth proportional to 69,879.18, 96,430.05 and 38,047.98 is: 52,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,879.18 : 96,430.05 = 38,047.98 : x
  2. Step 2: Convert to fraction form
    69,879.18/96,430.05 = 38,047.98/x
  3. Step 3: Cross multiply
    69,879.18x = 96,430.05 × 38,047.98
  4. Step 4: Simplify right side
    69,879.18x = 3,668,968,613.80
  5. Step 5: Solve for x
    x = 3,668,968,613.80/69,879.18
  6. Step 6: Final answer
    x = 52,504.46

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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.