Home / 107,037.20-147,711.48-59,289.56

Finding the Fourth Proportional to 107,037.20, 147,711.48 and 59,289.56

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Solution

The fourth proportional to 107,037.20, 147,711.48 and 59,289.56 is: 81,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,037.20 : 147,711.48 = 59,289.56 : x
  2. Step 2: Convert to fraction form
    107,037.20/147,711.48 = 59,289.56/x
  3. Step 3: Cross multiply
    107,037.20x = 147,711.48 × 59,289.56
  4. Step 4: Simplify right side
    107,037.20x = 8,757,748,656.15
  5. Step 5: Solve for x
    x = 8,757,748,656.15/107,037.20
  6. Step 6: Final answer
    x = 81,819.67

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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.