Home / 86,043.22-129,083.05-26,883.35

Finding the Fourth Proportional to 86,043.22, 129,083.05 and 26,883.35

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Solution

The fourth proportional to 86,043.22, 129,083.05 and 26,883.35 is: 40,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,043.22 : 129,083.05 = 26,883.35 : x
  2. Step 2: Convert to fraction form
    86,043.22/129,083.05 = 26,883.35/x
  3. Step 3: Cross multiply
    86,043.22x = 129,083.05 × 26,883.35
  4. Step 4: Simplify right side
    86,043.22x = 3,470,184,812.22
  5. Step 5: Solve for x
    x = 3,470,184,812.22/86,043.22
  6. Step 6: Final answer
    x = 40,330.72

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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.