Home / 124,922.07-172,404.32-68,341.95

Finding the Fourth Proportional to 124,922.07, 172,404.32 and 68,341.95

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Solution

The fourth proportional to 124,922.07, 172,404.32 and 68,341.95 is: 94,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922.07 : 172,404.32 = 68,341.95 : x
  2. Step 2: Convert to fraction form
    124,922.07/172,404.32 = 68,341.95/x
  3. Step 3: Cross multiply
    124,922.07x = 172,404.32 × 68,341.95
  4. Step 4: Simplify right side
    124,922.07x = 11,782,447,075.51
  5. Step 5: Solve for x
    x = 11,782,447,075.51/124,922.07
  6. Step 6: Final answer
    x = 94,318.38

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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.