Home / 104,084.36-143,636.16-56,337.32

Finding the Fourth Proportional to 104,084.36, 143,636.16 and 56,337.32

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Solution

The fourth proportional to 104,084.36, 143,636.16 and 56,337.32 is: 77,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,084.36 : 143,636.16 = 56,337.32 : x
  2. Step 2: Convert to fraction form
    104,084.36/143,636.16 = 56,337.32/x
  3. Step 3: Cross multiply
    104,084.36x = 143,636.16 × 56,337.32
  4. Step 4: Simplify right side
    104,084.36x = 8,092,076,309.49
  5. Step 5: Solve for x
    x = 8,092,076,309.49/104,084.36
  6. Step 6: Final answer
    x = 77,745.36

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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.