Home / 107,520.96-148,370.52-59,771.40

Finding the Fourth Proportional to 107,520.96, 148,370.52 and 59,771.40

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Solution

The fourth proportional to 107,520.96, 148,370.52 and 59,771.40 is: 82,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,520.96 : 148,370.52 = 59,771.40 : x
  2. Step 2: Convert to fraction form
    107,520.96/148,370.52 = 59,771.40/x
  3. Step 3: Cross multiply
    107,520.96x = 148,370.52 × 59,771.40
  4. Step 4: Simplify right side
    107,520.96x = 8,868,313,699.13
  5. Step 5: Solve for x
    x = 8,868,313,699.13/107,520.96
  6. Step 6: Final answer
    x = 82,479.86

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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.