Home / 83,138.64-114,729.68-46,840.16

Finding the Fourth Proportional to 83,138.64, 114,729.68 and 46,840.16

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Solution

The fourth proportional to 83,138.64, 114,729.68 and 46,840.16 is: 64,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,138.64 : 114,729.68 = 46,840.16 : x
  2. Step 2: Convert to fraction form
    83,138.64/114,729.68 = 46,840.16/x
  3. Step 3: Cross multiply
    83,138.64x = 114,729.68 × 46,840.16
  4. Step 4: Simplify right side
    83,138.64x = 5,373,956,567.95
  5. Step 5: Solve for x
    x = 5,373,956,567.95/83,138.64
  6. Step 6: Final answer
    x = 64,638.50

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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.