Home / 104,062.75-143,607.05-56,316.10

Finding the Fourth Proportional to 104,062.75, 143,607.05 and 56,316.10

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Solution

The fourth proportional to 104,062.75, 143,607.05 and 56,316.10 is: 77,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.75 : 143,607.05 = 56,316.10 : x
  2. Step 2: Convert to fraction form
    104,062.75/143,607.05 = 56,316.10/x
  3. Step 3: Cross multiply
    104,062.75x = 143,607.05 × 56,316.10
  4. Step 4: Simplify right side
    104,062.75x = 8,087,388,347.91
  5. Step 5: Solve for x
    x = 8,087,388,347.91/104,062.75
  6. Step 6: Final answer
    x = 77,716.46

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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.