Home / 78,028.09-107,679.14-44,038.01

Finding the Fourth Proportional to 78,028.09, 107,679.14 and 44,038.01

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Solution

The fourth proportional to 78,028.09, 107,679.14 and 44,038.01 is: 60,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,028.09 : 107,679.14 = 44,038.01 : x
  2. Step 2: Convert to fraction form
    78,028.09/107,679.14 = 44,038.01/x
  3. Step 3: Cross multiply
    78,028.09x = 107,679.14 × 44,038.01
  4. Step 4: Simplify right side
    78,028.09x = 4,741,974,689.32
  5. Step 5: Solve for x
    x = 4,741,974,689.32/78,028.09
  6. Step 6: Final answer
    x = 60,772.66

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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.