Home / 53,869.21-74,346.03-30,907.44

Finding the Fourth Proportional to 53,869.21, 74,346.03 and 30,907.44

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Solution

The fourth proportional to 53,869.21, 74,346.03 and 30,907.44 is: 42,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.21 : 74,346.03 = 30,907.44 : x
  2. Step 2: Convert to fraction form
    53,869.21/74,346.03 = 30,907.44/x
  3. Step 3: Cross multiply
    53,869.21x = 74,346.03 × 30,907.44
  4. Step 4: Simplify right side
    53,869.21x = 2,297,845,461.46
  5. Step 5: Solve for x
    x = 2,297,845,461.46/53,869.21
  6. Step 6: Final answer
    x = 42,656.01

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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.