Home / 86,583.54-129,888.98-36,663.95

Finding the Fourth Proportional to 86,583.54, 129,888.98 and 36,663.95

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Solution

The fourth proportional to 86,583.54, 129,888.98 and 36,663.95 is: 55,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,583.54 : 129,888.98 = 36,663.95 : x
  2. Step 2: Convert to fraction form
    86,583.54/129,888.98 = 36,663.95/x
  3. Step 3: Cross multiply
    86,583.54x = 129,888.98 × 36,663.95
  4. Step 4: Simplify right side
    86,583.54x = 4,762,243,553.40
  5. Step 5: Solve for x
    x = 4,762,243,553.40/86,583.54
  6. Step 6: Final answer
    x = 55,001.72

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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.