Home / 74,895.06-112,354.11-28,151.22

Finding the Fourth Proportional to 74,895.06, 112,354.11 and 28,151.22

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Solution

The fourth proportional to 74,895.06, 112,354.11 and 28,151.22 is: 42,231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,895.06 : 112,354.11 = 28,151.22 : x
  2. Step 2: Convert to fraction form
    74,895.06/112,354.11 = 28,151.22/x
  3. Step 3: Cross multiply
    74,895.06x = 112,354.11 × 28,151.22
  4. Step 4: Simplify right side
    74,895.06x = 3,162,905,268.51
  5. Step 5: Solve for x
    x = 3,162,905,268.51/74,895.06
  6. Step 6: Final answer
    x = 42,231.16

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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.