Home / 75,464.07-104,117.68-45,238.36

Finding the Fourth Proportional to 75,464.07, 104,117.68 and 45,238.36

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Solution

The fourth proportional to 75,464.07, 104,117.68 and 45,238.36 is: 62,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.07 : 104,117.68 = 45,238.36 : x
  2. Step 2: Convert to fraction form
    75,464.07/104,117.68 = 45,238.36/x
  3. Step 3: Cross multiply
    75,464.07x = 104,117.68 × 45,238.36
  4. Step 4: Simplify right side
    75,464.07x = 4,710,113,090.20
  5. Step 5: Solve for x
    x = 4,710,113,090.20/75,464.07
  6. Step 6: Final answer
    x = 62,415.31

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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.