Home / 104,125.97-143,693.16-56,379.17

Finding the Fourth Proportional to 104,125.97, 143,693.16 and 56,379.17

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Solution

The fourth proportional to 104,125.97, 143,693.16 and 56,379.17 is: 77,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,125.97 : 143,693.16 = 56,379.17 : x
  2. Step 2: Convert to fraction form
    104,125.97/143,693.16 = 56,379.17/x
  3. Step 3: Cross multiply
    104,125.97x = 143,693.16 × 56,379.17
  4. Step 4: Simplify right side
    104,125.97x = 8,101,301,095.48
  5. Step 5: Solve for x
    x = 8,101,301,095.48/104,125.97
  6. Step 6: Final answer
    x = 77,802.89

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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.