Home / 102,350.39-153,548.96-31,283.15

Finding the Fourth Proportional to 102,350.39, 153,548.96 and 31,283.15

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Solution

The fourth proportional to 102,350.39, 153,548.96 and 31,283.15 is: 46,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,350.39 : 153,548.96 = 31,283.15 : x
  2. Step 2: Convert to fraction form
    102,350.39/153,548.96 = 31,283.15/x
  3. Step 3: Cross multiply
    102,350.39x = 153,548.96 × 31,283.15
  4. Step 4: Simplify right side
    102,350.39x = 4,803,494,311.85
  5. Step 5: Solve for x
    x = 4,803,494,311.85/102,350.39
  6. Step 6: Final answer
    x = 46,931.86

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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.