Home / 83,989.28-115,905.21-46,263.53

Finding the Fourth Proportional to 83,989.28, 115,905.21 and 46,263.53

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Solution

The fourth proportional to 83,989.28, 115,905.21 and 46,263.53 is: 63,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,989.28 : 115,905.21 = 46,263.53 : x
  2. Step 2: Convert to fraction form
    83,989.28/115,905.21 = 46,263.53/x
  3. Step 3: Cross multiply
    83,989.28x = 115,905.21 × 46,263.53
  4. Step 4: Simplify right side
    83,989.28x = 5,362,184,159.99
  5. Step 5: Solve for x
    x = 5,362,184,159.99/83,989.28
  6. Step 6: Final answer
    x = 63,843.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.