Home / 125,943.22-173,802.81-69,355

Finding the Fourth Proportional to 125,943.22, 173,802.81 and 69,355

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Solution

The fourth proportional to 125,943.22, 173,802.81 and 69,355 is: 95,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,943.22 : 173,802.81 = 69,355 : x
  2. Step 2: Convert to fraction form
    125,943.22/173,802.81 = 69,355/x
  3. Step 3: Cross multiply
    125,943.22x = 173,802.81 × 69,355
  4. Step 4: Simplify right side
    125,943.22x = 12,054,093,887.55
  5. Step 5: Solve for x
    x = 12,054,093,887.55/125,943.22
  6. Step 6: Final answer
    x = 95,710.54

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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.