Home / 53,941.60-80,912.40-14,502.70

Finding the Fourth Proportional to 53,941.60, 80,912.40 and 14,502.70

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Solution

The fourth proportional to 53,941.60, 80,912.40 and 14,502.70 is: 21,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,941.60 : 80,912.40 = 14,502.70 : x
  2. Step 2: Convert to fraction form
    53,941.60/80,912.40 = 14,502.70/x
  3. Step 3: Cross multiply
    53,941.60x = 80,912.40 × 14,502.70
  4. Step 4: Simplify right side
    53,941.60x = 1,173,448,263.48
  5. Step 5: Solve for x
    x = 1,173,448,263.48/53,941.60
  6. Step 6: Final answer
    x = 21,754.05

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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.