Home / 112,518.09-168,860.22-53,353.98

Finding the Fourth Proportional to 112,518.09, 168,860.22 and 53,353.98

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Solution

The fourth proportional to 112,518.09, 168,860.22 and 53,353.98 is: 80,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,518.09 : 168,860.22 = 53,353.98 : x
  2. Step 2: Convert to fraction form
    112,518.09/168,860.22 = 53,353.98/x
  3. Step 3: Cross multiply
    112,518.09x = 168,860.22 × 53,353.98
  4. Step 4: Simplify right side
    112,518.09x = 9,009,364,800.68
  5. Step 5: Solve for x
    x = 9,009,364,800.68/112,518.09
  6. Step 6: Final answer
    x = 80,070.37

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1.5x scale

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.