Home / 92,743.45-139,810.22-86,563.96

Finding the Fourth Proportional to 92,743.45, 139,810.22 and 86,563.96

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Solution

The fourth proportional to 92,743.45, 139,810.22 and 86,563.96 is: 130,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,743.45 : 139,810.22 = 86,563.96 : x
  2. Step 2: Convert to fraction form
    92,743.45/139,810.22 = 86,563.96/x
  3. Step 3: Cross multiply
    92,743.45x = 139,810.22 × 86,563.96
  4. Step 4: Simplify right side
    92,743.45x = 12,102,526,291.67
  5. Step 5: Solve for x
    x = 12,102,526,291.67/92,743.45
  6. Step 6: Final answer
    x = 130,494.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.