Home / 54,450.02-75,140.78-31,804.58

Finding the Fourth Proportional to 54,450.02, 75,140.78 and 31,804.58

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Solution

The fourth proportional to 54,450.02, 75,140.78 and 31,804.58 is: 43,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.02 : 75,140.78 = 31,804.58 : x
  2. Step 2: Convert to fraction form
    54,450.02/75,140.78 = 31,804.58/x
  3. Step 3: Cross multiply
    54,450.02x = 75,140.78 × 31,804.58
  4. Step 4: Simplify right side
    54,450.02x = 2,389,820,948.77
  5. Step 5: Solve for x
    x = 2,389,820,948.77/54,450.02
  6. Step 6: Final answer
    x = 43,890.18

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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.