Home / 54,448.02-75,138.03-31,802.58

Finding the Fourth Proportional to 54,448.02, 75,138.03 and 31,802.58

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Solution

The fourth proportional to 54,448.02, 75,138.03 and 31,802.58 is: 43,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,448.02 : 75,138.03 = 31,802.58 : x
  2. Step 2: Convert to fraction form
    54,448.02/75,138.03 = 31,802.58/x
  3. Step 3: Cross multiply
    54,448.02x = 75,138.03 × 31,802.58
  4. Step 4: Simplify right side
    54,448.02x = 2,389,583,210.12
  5. Step 5: Solve for x
    x = 2,389,583,210.12/54,448.02
  6. Step 6: Final answer
    x = 43,887.42

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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.