Home / 104,320.36-143,960.81-56,573.16

Finding the Fourth Proportional to 104,320.36, 143,960.81 and 56,573.16

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Solution

The fourth proportional to 104,320.36, 143,960.81 and 56,573.16 is: 78,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,320.36 : 143,960.81 = 56,573.16 : x
  2. Step 2: Convert to fraction form
    104,320.36/143,960.81 = 56,573.16/x
  3. Step 3: Cross multiply
    104,320.36x = 143,960.81 × 56,573.16
  4. Step 4: Simplify right side
    104,320.36x = 8,144,317,937.86
  5. Step 5: Solve for x
    x = 8,144,317,937.86/104,320.36
  6. Step 6: Final answer
    x = 78,070.26

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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.