Home / 86,309.19-129,476.52-44,213.07

Finding the Fourth Proportional to 86,309.19, 129,476.52 and 44,213.07

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Solution

The fourth proportional to 86,309.19, 129,476.52 and 44,213.07 is: 66,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,309.19 : 129,476.52 = 44,213.07 : x
  2. Step 2: Convert to fraction form
    86,309.19/129,476.52 = 44,213.07/x
  3. Step 3: Cross multiply
    86,309.19x = 129,476.52 × 44,213.07
  4. Step 4: Simplify right side
    86,309.19x = 5,724,554,442.12
  5. Step 5: Solve for x
    x = 5,724,554,442.12/86,309.19
  6. Step 6: Final answer
    x = 66,326.13

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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.