Home / 125,943.12-173,803.73-69,354.36

Finding the Fourth Proportional to 125,943.12, 173,803.73 and 69,354.36

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Solution

The fourth proportional to 125,943.12, 173,803.73 and 69,354.36 is: 95,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,943.12 : 173,803.73 = 69,354.36 : x
  2. Step 2: Convert to fraction form
    125,943.12/173,803.73 = 69,354.36/x
  3. Step 3: Cross multiply
    125,943.12x = 173,803.73 × 69,354.36
  4. Step 4: Simplify right side
    125,943.12x = 12,054,046,112.99
  5. Step 5: Solve for x
    x = 12,054,046,112.99/125,943.12
  6. Step 6: Final answer
    x = 95,710.24

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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.