Home / 86,588.39-129,923.67-59,975.30

Finding the Fourth Proportional to 86,588.39, 129,923.67 and 59,975.30

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Solution

The fourth proportional to 86,588.39, 129,923.67 and 59,975.30 is: 89,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,588.39 : 129,923.67 = 59,975.30 : x
  2. Step 2: Convert to fraction form
    86,588.39/129,923.67 = 59,975.30/x
  3. Step 3: Cross multiply
    86,588.39x = 129,923.67 × 59,975.30
  4. Step 4: Simplify right side
    86,588.39x = 7,792,211,085.35
  5. Step 5: Solve for x
    x = 7,792,211,085.35/86,588.39
  6. Step 6: Final answer
    x = 89,991.41

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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.