Home / 104,103.84-143,663.27-56,357.16

Finding the Fourth Proportional to 104,103.84, 143,663.27 and 56,357.16

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Solution

The fourth proportional to 104,103.84, 143,663.27 and 56,357.16 is: 77,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.84 : 143,663.27 = 56,357.16 : x
  2. Step 2: Convert to fraction form
    104,103.84/143,663.27 = 56,357.16/x
  3. Step 3: Cross multiply
    104,103.84x = 143,663.27 × 56,357.16
  4. Step 4: Simplify right side
    104,103.84x = 8,096,453,893.51
  5. Step 5: Solve for x
    x = 8,096,453,893.51/104,103.84
  6. Step 6: Final answer
    x = 77,772.86

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1.5x scale

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.