Home / 125,001.84-172,502.60-68,413.52

Finding the Fourth Proportional to 125,001.84, 172,502.60 and 68,413.52

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Solution

The fourth proportional to 125,001.84, 172,502.60 and 68,413.52 is: 94,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,001.84 : 172,502.60 = 68,413.52 : x
  2. Step 2: Convert to fraction form
    125,001.84/172,502.60 = 68,413.52/x
  3. Step 3: Cross multiply
    125,001.84x = 172,502.60 × 68,413.52
  4. Step 4: Simplify right side
    125,001.84x = 11,801,510,075.15
  5. Step 5: Solve for x
    x = 11,801,510,075.15/125,001.84
  6. Step 6: Final answer
    x = 94,410.69

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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.