Home / 53,855.04-74,322.40-31,195.04

Finding the Fourth Proportional to 53,855.04, 74,322.40 and 31,195.04

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Solution

The fourth proportional to 53,855.04, 74,322.40 and 31,195.04 is: 43,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.04 : 74,322.40 = 31,195.04 : x
  2. Step 2: Convert to fraction form
    53,855.04/74,322.40 = 31,195.04/x
  3. Step 3: Cross multiply
    53,855.04x = 74,322.40 × 31,195.04
  4. Step 4: Simplify right side
    53,855.04x = 2,318,490,240.90
  5. Step 5: Solve for x
    x = 2,318,490,240.90/53,855.04
  6. Step 6: Final answer
    x = 43,050.57

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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.