Home / 86,583.30-129,888.60-36,663.66

Finding the Fourth Proportional to 86,583.30, 129,888.60 and 36,663.66

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Solution

The fourth proportional to 86,583.30, 129,888.60 and 36,663.66 is: 55,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,583.30 : 129,888.60 = 36,663.66 : x
  2. Step 2: Convert to fraction form
    86,583.30/129,888.60 = 36,663.66/x
  3. Step 3: Cross multiply
    86,583.30x = 129,888.60 × 36,663.66
  4. Step 4: Simplify right side
    86,583.30x = 4,762,191,468.28
  5. Step 5: Solve for x
    x = 4,762,191,468.28/86,583.30
  6. Step 6: Final answer
    x = 55,001.27

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1.5x scale

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.