Home / 104,087.81-143,641.53-56,341.14

Finding the Fourth Proportional to 104,087.81, 143,641.53 and 56,341.14

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Solution

The fourth proportional to 104,087.81, 143,641.53 and 56,341.14 is: 77,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,087.81 : 143,641.53 = 56,341.14 : x
  2. Step 2: Convert to fraction form
    104,087.81/143,641.53 = 56,341.14/x
  3. Step 3: Cross multiply
    104,087.81x = 143,641.53 × 56,341.14
  4. Step 4: Simplify right side
    104,087.81x = 8,092,927,551.54
  5. Step 5: Solve for x
    x = 8,092,927,551.54/104,087.81
  6. Step 6: Final answer
    x = 77,750.96

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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.