Home / 112,519.09-168,861.72-53,354.98

Finding the Fourth Proportional to 112,519.09, 168,861.72 and 53,354.98

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Solution

The fourth proportional to 112,519.09, 168,861.72 and 53,354.98 is: 80,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,519.09 : 168,861.72 = 53,354.98 : x
  2. Step 2: Convert to fraction form
    112,519.09/168,861.72 = 53,354.98/x
  3. Step 3: Cross multiply
    112,519.09x = 168,861.72 × 53,354.98
  4. Step 4: Simplify right side
    112,519.09x = 9,009,613,693.37
  5. Step 5: Solve for x
    x = 9,009,613,693.37/112,519.09
  6. Step 6: Final answer
    x = 80,071.87

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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.