Home / 64,998.15-89,739.14-53,090.07

Finding the Fourth Proportional to 64,998.15, 89,739.14 and 53,090.07

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Solution

The fourth proportional to 64,998.15, 89,739.14 and 53,090.07 is: 73,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,998.15 : 89,739.14 = 53,090.07 : x
  2. Step 2: Convert to fraction form
    64,998.15/89,739.14 = 53,090.07/x
  3. Step 3: Cross multiply
    64,998.15x = 89,739.14 × 53,090.07
  4. Step 4: Simplify right side
    64,998.15x = 4,764,256,958.89
  5. Step 5: Solve for x
    x = 4,764,256,958.89/64,998.15
  6. Step 6: Final answer
    x = 73,298.35

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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.