Home / 66,686.85-99,919.20-46,923.89

Finding the Fourth Proportional to 66,686.85, 99,919.20 and 46,923.89

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Solution

The fourth proportional to 66,686.85, 99,919.20 and 46,923.89 is: 70,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,686.85 : 99,919.20 = 46,923.89 : x
  2. Step 2: Convert to fraction form
    66,686.85/99,919.20 = 46,923.89/x
  3. Step 3: Cross multiply
    66,686.85x = 99,919.20 × 46,923.89
  4. Step 4: Simplify right side
    66,686.85x = 4,688,597,050.09
  5. Step 5: Solve for x
    x = 4,688,597,050.09/66,686.85
  6. Step 6: Final answer
    x = 70,307.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.