Home / 53,090.76-73,268.64-31,574.64

Finding the Fourth Proportional to 53,090.76, 73,268.64 and 31,574.64

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Solution

The fourth proportional to 53,090.76, 73,268.64 and 31,574.64 is: 43,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.76 : 73,268.64 = 31,574.64 : x
  2. Step 2: Convert to fraction form
    53,090.76/73,268.64 = 31,574.64/x
  3. Step 3: Cross multiply
    53,090.76x = 73,268.64 × 31,574.64
  4. Step 4: Simplify right side
    53,090.76x = 2,313,430,931.29
  5. Step 5: Solve for x
    x = 2,313,430,931.29/53,090.76
  6. Step 6: Final answer
    x = 43,575.02

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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.