Home / 74,381.58-111,504.96-26,985.69

Finding the Fourth Proportional to 74,381.58, 111,504.96 and 26,985.69

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Solution

The fourth proportional to 74,381.58, 111,504.96 and 26,985.69 is: 40,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,381.58 : 111,504.96 = 26,985.69 : x
  2. Step 2: Convert to fraction form
    74,381.58/111,504.96 = 26,985.69/x
  3. Step 3: Cross multiply
    74,381.58x = 111,504.96 × 26,985.69
  4. Step 4: Simplify right side
    74,381.58x = 3,009,038,284.02
  5. Step 5: Solve for x
    x = 3,009,038,284.02/74,381.58
  6. Step 6: Final answer
    x = 40,454.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.