Home / 53,670.83-74,034.56-45,212.60

Finding the Fourth Proportional to 53,670.83, 74,034.56 and 45,212.60

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Solution

The fourth proportional to 53,670.83, 74,034.56 and 45,212.60 is: 62,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.83 : 74,034.56 = 45,212.60 : x
  2. Step 2: Convert to fraction form
    53,670.83/74,034.56 = 45,212.60/x
  3. Step 3: Cross multiply
    53,670.83x = 74,034.56 × 45,212.60
  4. Step 4: Simplify right side
    53,670.83x = 3,347,295,245.57
  5. Step 5: Solve for x
    x = 3,347,295,245.57/53,670.83
  6. Step 6: Final answer
    x = 62,367.13

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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.