Home / 104,938.15-144,810.43-57,190.47

Finding the Fourth Proportional to 104,938.15, 144,810.43 and 57,190.47

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Solution

The fourth proportional to 104,938.15, 144,810.43 and 57,190.47 is: 78,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.15 : 144,810.43 = 57,190.47 : x
  2. Step 2: Convert to fraction form
    104,938.15/144,810.43 = 57,190.47/x
  3. Step 3: Cross multiply
    104,938.15x = 144,810.43 × 57,190.47
  4. Step 4: Simplify right side
    104,938.15x = 8,281,776,266.65
  5. Step 5: Solve for x
    x = 8,281,776,266.65/104,938.15
  6. Step 6: Final answer
    x = 78,920.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.