Home / 85,586.19-118,117.78-49,288.83

Finding the Fourth Proportional to 85,586.19, 118,117.78 and 49,288.83

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Solution

The fourth proportional to 85,586.19, 118,117.78 and 49,288.83 is: 68,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,586.19 : 118,117.78 = 49,288.83 : x
  2. Step 2: Convert to fraction form
    85,586.19/118,117.78 = 49,288.83/x
  3. Step 3: Cross multiply
    85,586.19x = 118,117.78 × 49,288.83
  4. Step 4: Simplify right side
    85,586.19x = 5,821,886,918.45
  5. Step 5: Solve for x
    x = 5,821,886,918.45/85,586.19
  6. Step 6: Final answer
    x = 68,023.67

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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.