Home / 104,230.32-143,836.86-56,484.06

Finding the Fourth Proportional to 104,230.32, 143,836.86 and 56,484.06

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Solution

The fourth proportional to 104,230.32, 143,836.86 and 56,484.06 is: 77,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,230.32 : 143,836.86 = 56,484.06 : x
  2. Step 2: Convert to fraction form
    104,230.32/143,836.86 = 56,484.06/x
  3. Step 3: Cross multiply
    104,230.32x = 143,836.86 × 56,484.06
  4. Step 4: Simplify right side
    104,230.32x = 8,124,489,830.45
  5. Step 5: Solve for x
    x = 8,124,489,830.45/104,230.32
  6. Step 6: Final answer
    x = 77,947.47

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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.