Home / 86,213.93-129,309.95-64,059.62

Finding the Fourth Proportional to 86,213.93, 129,309.95 and 64,059.62

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Solution

The fourth proportional to 86,213.93, 129,309.95 and 64,059.62 is: 96,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.93 : 129,309.95 = 64,059.62 : x
  2. Step 2: Convert to fraction form
    86,213.93/129,309.95 = 64,059.62/x
  3. Step 3: Cross multiply
    86,213.93x = 129,309.95 × 64,059.62
  4. Step 4: Simplify right side
    86,213.93x = 8,283,545,292.37
  5. Step 5: Solve for x
    x = 8,283,545,292.37/86,213.93
  6. Step 6: Final answer
    x = 96,081.29

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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.