Home / 122,788.24-169,462.76-69,075.52

Finding the Fourth Proportional to 122,788.24, 169,462.76 and 69,075.52

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Solution

The fourth proportional to 122,788.24, 169,462.76 and 69,075.52 is: 95,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,788.24 : 169,462.76 = 69,075.52 : x
  2. Step 2: Convert to fraction form
    122,788.24/169,462.76 = 69,075.52/x
  3. Step 3: Cross multiply
    122,788.24x = 169,462.76 × 69,075.52
  4. Step 4: Simplify right side
    122,788.24x = 11,705,728,267.64
  5. Step 5: Solve for x
    x = 11,705,728,267.64/122,788.24
  6. Step 6: Final answer
    x = 95,332.65

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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.