Home / 112,518.10-168,777.15-29,412.10

Finding the Fourth Proportional to 112,518.10, 168,777.15 and 29,412.10

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Solution

The fourth proportional to 112,518.10, 168,777.15 and 29,412.10 is: 44,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,518.10 : 168,777.15 = 29,412.10 : x
  2. Step 2: Convert to fraction form
    112,518.10/168,777.15 = 29,412.10/x
  3. Step 3: Cross multiply
    112,518.10x = 168,777.15 × 29,412.10
  4. Step 4: Simplify right side
    112,518.10x = 4,964,090,413.52
  5. Step 5: Solve for x
    x = 4,964,090,413.52/112,518.10
  6. Step 6: Final answer
    x = 44,118.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.