Home / 77,573.04-107,043.02-43,585.44

Finding the Fourth Proportional to 77,573.04, 107,043.02 and 43,585.44

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Solution

The fourth proportional to 77,573.04, 107,043.02 and 43,585.44 is: 60,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,573.04 : 107,043.02 = 43,585.44 : x
  2. Step 2: Convert to fraction form
    77,573.04/107,043.02 = 43,585.44/x
  3. Step 3: Cross multiply
    77,573.04x = 107,043.02 × 43,585.44
  4. Step 4: Simplify right side
    77,573.04x = 4,665,517,125.63
  5. Step 5: Solve for x
    x = 4,665,517,125.63/77,573.04
  6. Step 6: Final answer
    x = 60,143.54

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1.5x scale

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.