Home / 55,530.63-76,629.04-31,657.10

Finding the Fourth Proportional to 55,530.63, 76,629.04 and 31,657.10

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Solution

The fourth proportional to 55,530.63, 76,629.04 and 31,657.10 is: 43,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530.63 : 76,629.04 = 31,657.10 : x
  2. Step 2: Convert to fraction form
    55,530.63/76,629.04 = 31,657.10/x
  3. Step 3: Cross multiply
    55,530.63x = 76,629.04 × 31,657.10
  4. Step 4: Simplify right side
    55,530.63x = 2,425,852,719.90
  5. Step 5: Solve for x
    x = 2,425,852,719.90/55,530.63
  6. Step 6: Final answer
    x = 43,684.95

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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.