Home / 125,665.56-173,416.48-69,075.72

Finding the Fourth Proportional to 125,665.56, 173,416.48 and 69,075.72

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Solution

The fourth proportional to 125,665.56, 173,416.48 and 69,075.72 is: 95,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,665.56 : 173,416.48 = 69,075.72 : x
  2. Step 2: Convert to fraction form
    125,665.56/173,416.48 = 69,075.72/x
  3. Step 3: Cross multiply
    125,665.56x = 173,416.48 × 69,075.72
  4. Step 4: Simplify right side
    125,665.56x = 11,978,868,215.87
  5. Step 5: Solve for x
    x = 11,978,868,215.87/125,665.56
  6. Step 6: Final answer
    x = 95,323.40

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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.