Home / 77,941.64-107,560.50-46,109.72

Finding the Fourth Proportional to 77,941.64, 107,560.50 and 46,109.72

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Solution

The fourth proportional to 77,941.64, 107,560.50 and 46,109.72 is: 63,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,941.64 : 107,560.50 = 46,109.72 : x
  2. Step 2: Convert to fraction form
    77,941.64/107,560.50 = 46,109.72/x
  3. Step 3: Cross multiply
    77,941.64x = 107,560.50 × 46,109.72
  4. Step 4: Simplify right side
    77,941.64x = 4,959,584,538.06
  5. Step 5: Solve for x
    x = 4,959,584,538.06/77,941.64
  6. Step 6: Final answer
    x = 63,632.03

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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.