Home / 107,816.59-148,785.12-58,758.89

Finding the Fourth Proportional to 107,816.59, 148,785.12 and 58,758.89

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Solution

The fourth proportional to 107,816.59, 148,785.12 and 58,758.89 is: 81,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,816.59 : 148,785.12 = 58,758.89 : x
  2. Step 2: Convert to fraction form
    107,816.59/148,785.12 = 58,758.89/x
  3. Step 3: Cross multiply
    107,816.59x = 148,785.12 × 58,758.89
  4. Step 4: Simplify right side
    107,816.59x = 8,742,447,755.79
  5. Step 5: Solve for x
    x = 8,742,447,755.79/107,816.59
  6. Step 6: Final answer
    x = 81,086.30

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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.