Home / 107,245.72-148,016.80-59,514.45

Finding the Fourth Proportional to 107,245.72, 148,016.80 and 59,514.45

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Solution

The fourth proportional to 107,245.72, 148,016.80 and 59,514.45 is: 82,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,245.72 : 148,016.80 = 59,514.45 : x
  2. Step 2: Convert to fraction form
    107,245.72/148,016.80 = 59,514.45/x
  3. Step 3: Cross multiply
    107,245.72x = 148,016.80 × 59,514.45
  4. Step 4: Simplify right side
    107,245.72x = 8,809,138,442.76
  5. Step 5: Solve for x
    x = 8,809,138,442.76/107,245.72
  6. Step 6: Final answer
    x = 82,139.77

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1.5x scale

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.