Home / 86,990.03-130,483.15-27,825.52

Finding the Fourth Proportional to 86,990.03, 130,483.15 and 27,825.52

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Solution

The fourth proportional to 86,990.03, 130,483.15 and 27,825.52 is: 41,737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,990.03 : 130,483.15 = 27,825.52 : x
  2. Step 2: Convert to fraction form
    86,990.03/130,483.15 = 27,825.52/x
  3. Step 3: Cross multiply
    86,990.03x = 130,483.15 × 27,825.52
  4. Step 4: Simplify right side
    86,990.03x = 3,630,761,104.22
  5. Step 5: Solve for x
    x = 3,630,761,104.22/86,990.03
  6. Step 6: Final answer
    x = 41,737.67

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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.