Home / 74,386.48-111,579.69-21,795.95

Finding the Fourth Proportional to 74,386.48, 111,579.69 and 21,795.95

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Solution

The fourth proportional to 74,386.48, 111,579.69 and 21,795.95 is: 32,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,386.48 : 111,579.69 = 21,795.95 : x
  2. Step 2: Convert to fraction form
    74,386.48/111,579.69 = 21,795.95/x
  3. Step 3: Cross multiply
    74,386.48x = 111,579.69 × 21,795.95
  4. Step 4: Simplify right side
    74,386.48x = 2,431,985,344.26
  5. Step 5: Solve for x
    x = 2,431,985,344.26/74,386.48
  6. Step 6: Final answer
    x = 32,693.92

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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.