Home / 86,430.75-129,668.00-24,101.25

Finding the Fourth Proportional to 86,430.75, 129,668.00 and 24,101.25

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Solution

The fourth proportional to 86,430.75, 129,668.00 and 24,101.25 is: 36,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,430.75 : 129,668.00 = 24,101.25 : x
  2. Step 2: Convert to fraction form
    86,430.75/129,668.00 = 24,101.25/x
  3. Step 3: Cross multiply
    86,430.75x = 129,668.00 × 24,101.25
  4. Step 4: Simplify right side
    86,430.75x = 3,125,160,764.49
  5. Step 5: Solve for x
    x = 3,125,160,764.49/86,430.75
  6. Step 6: Final answer
    x = 36,157.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.