Home / 104,315.67-143,955.66-56,569.01

Finding the Fourth Proportional to 104,315.67, 143,955.66 and 56,569.01

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Solution

The fourth proportional to 104,315.67, 143,955.66 and 56,569.01 is: 78,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,315.67 : 143,955.66 = 56,569.01 : x
  2. Step 2: Convert to fraction form
    104,315.67/143,955.66 = 56,569.01/x
  3. Step 3: Cross multiply
    104,315.67x = 143,955.66 × 56,569.01
  4. Step 4: Simplify right side
    104,315.67x = 8,143,428,450.32
  5. Step 5: Solve for x
    x = 8,143,428,450.32/104,315.67
  6. Step 6: Final answer
    x = 78,065.25

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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.