Home / 104,062.19-143,605.82-56,315.53

Finding the Fourth Proportional to 104,062.19, 143,605.82 and 56,315.53

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Solution

The fourth proportional to 104,062.19, 143,605.82 and 56,315.53 is: 77,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.19 : 143,605.82 = 56,315.53 : x
  2. Step 2: Convert to fraction form
    104,062.19/143,605.82 = 56,315.53/x
  3. Step 3: Cross multiply
    104,062.19x = 143,605.82 × 56,315.53
  4. Step 4: Simplify right side
    104,062.19x = 8,087,237,582.81
  5. Step 5: Solve for x
    x = 8,087,237,582.81/104,062.19
  6. Step 6: Final answer
    x = 77,715.43

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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.