Home / 86,619.62-129,919.35-23,436.74

Finding the Fourth Proportional to 86,619.62, 129,919.35 and 23,436.74

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Solution

The fourth proportional to 86,619.62, 129,919.35 and 23,436.74 is: 35,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619.62 : 129,919.35 = 23,436.74 : x
  2. Step 2: Convert to fraction form
    86,619.62/129,919.35 = 23,436.74/x
  3. Step 3: Cross multiply
    86,619.62x = 129,919.35 × 23,436.74
  4. Step 4: Simplify right side
    86,619.62x = 3,044,886,026.92
  5. Step 5: Solve for x
    x = 3,044,886,026.92/86,619.62
  6. Step 6: Final answer
    x = 35,152.38

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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.