Home / 104,093.81-143,649.30-56,347.35

Finding the Fourth Proportional to 104,093.81, 143,649.30 and 56,347.35

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Solution

The fourth proportional to 104,093.81, 143,649.30 and 56,347.35 is: 77,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,093.81 : 143,649.30 = 56,347.35 : x
  2. Step 2: Convert to fraction form
    104,093.81/143,649.30 = 56,347.35/x
  3. Step 3: Cross multiply
    104,093.81x = 143,649.30 × 56,347.35
  4. Step 4: Simplify right side
    104,093.81x = 8,094,256,740.02
  5. Step 5: Solve for x
    x = 8,094,256,740.02/104,093.81
  6. Step 6: Final answer
    x = 77,759.25

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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.