Home / 74,759.84-103,163.37-42,059.18

Finding the Fourth Proportional to 74,759.84, 103,163.37 and 42,059.18

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Solution

The fourth proportional to 74,759.84, 103,163.37 and 42,059.18 is: 58,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759.84 : 103,163.37 = 42,059.18 : x
  2. Step 2: Convert to fraction form
    74,759.84/103,163.37 = 42,059.18/x
  3. Step 3: Cross multiply
    74,759.84x = 103,163.37 × 42,059.18
  4. Step 4: Simplify right side
    74,759.84x = 4,338,966,748.24
  5. Step 5: Solve for x
    x = 4,338,966,748.24/74,759.84
  6. Step 6: Final answer
    x = 58,038.74

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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.