Home / 72,313.35-108,458.88-19,726.93

Finding the Fourth Proportional to 72,313.35, 108,458.88 and 19,726.93

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Solution

The fourth proportional to 72,313.35, 108,458.88 and 19,726.93 is: 29,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,313.35 : 108,458.88 = 19,726.93 : x
  2. Step 2: Convert to fraction form
    72,313.35/108,458.88 = 19,726.93/x
  3. Step 3: Cross multiply
    72,313.35x = 108,458.88 × 19,726.93
  4. Step 4: Simplify right side
    72,313.35x = 2,139,560,733.64
  5. Step 5: Solve for x
    x = 2,139,560,733.64/72,313.35
  6. Step 6: Final answer
    x = 29,587.35

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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.