Home / 86,089.07-129,141.03-23,759.57

Finding the Fourth Proportional to 86,089.07, 129,141.03 and 23,759.57

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Solution

The fourth proportional to 86,089.07, 129,141.03 and 23,759.57 is: 35,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,089.07 : 129,141.03 = 23,759.57 : x
  2. Step 2: Convert to fraction form
    86,089.07/129,141.03 = 23,759.57/x
  3. Step 3: Cross multiply
    86,089.07x = 129,141.03 × 23,759.57
  4. Step 4: Simplify right side
    86,089.07x = 3,068,334,696.45
  5. Step 5: Solve for x
    x = 3,068,334,696.45/86,089.07
  6. Step 6: Final answer
    x = 35,641.40

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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.