Home / 54,455.04-75,147.54-31,484.36

Finding the Fourth Proportional to 54,455.04, 75,147.54 and 31,484.36

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Solution

The fourth proportional to 54,455.04, 75,147.54 and 31,484.36 is: 43,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,455.04 : 75,147.54 = 31,484.36 : x
  2. Step 2: Convert to fraction form
    54,455.04/75,147.54 = 31,484.36/x
  3. Step 3: Cross multiply
    54,455.04x = 75,147.54 × 31,484.36
  4. Step 4: Simplify right side
    54,455.04x = 2,365,972,272.28
  5. Step 5: Solve for x
    x = 2,365,972,272.28/54,455.04
  6. Step 6: Final answer
    x = 43,448.18

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1.5x scale

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.