Home / 102,433.53-153,668.43-31,354.59

Finding the Fourth Proportional to 102,433.53, 153,668.43 and 31,354.59

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Solution

The fourth proportional to 102,433.53, 153,668.43 and 31,354.59 is: 47,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,433.53 : 153,668.43 = 31,354.59 : x
  2. Step 2: Convert to fraction form
    102,433.53/153,668.43 = 31,354.59/x
  3. Step 3: Cross multiply
    102,433.53x = 153,668.43 × 31,354.59
  4. Step 4: Simplify right side
    102,433.53x = 4,818,210,618.59
  5. Step 5: Solve for x
    x = 4,818,210,618.59/102,433.53
  6. Step 6: Final answer
    x = 47,037.44

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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.