Home / 53,931.60-74,425.37-31,283.73

Finding the Fourth Proportional to 53,931.60, 74,425.37 and 31,283.73

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Solution

The fourth proportional to 53,931.60, 74,425.37 and 31,283.73 is: 43,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.60 : 74,425.37 = 31,283.73 : x
  2. Step 2: Convert to fraction form
    53,931.60/74,425.37 = 31,283.73/x
  3. Step 3: Cross multiply
    53,931.60x = 74,425.37 × 31,283.73
  4. Step 4: Simplify right side
    53,931.60x = 2,328,303,023.81
  5. Step 5: Solve for x
    x = 2,328,303,023.81/53,931.60
  6. Step 6: Final answer
    x = 43,171.41

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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.