Home / 102,455.42-153,701.60-46,321.94

Finding the Fourth Proportional to 102,455.42, 153,701.60 and 46,321.94

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Solution

The fourth proportional to 102,455.42, 153,701.60 and 46,321.94 is: 69,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,455.42 : 153,701.60 = 46,321.94 : x
  2. Step 2: Convert to fraction form
    102,455.42/153,701.60 = 46,321.94/x
  3. Step 3: Cross multiply
    102,455.42x = 153,701.60 × 46,321.94
  4. Step 4: Simplify right side
    102,455.42x = 7,119,756,445.75
  5. Step 5: Solve for x
    x = 7,119,756,445.75/102,455.42
  6. Step 6: Final answer
    x = 69,491.27

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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.