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Finding the Fourth Proportional to 84,000.30, 119,000.49 and 84,000.30

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Solution

The fourth proportional to 84,000.30, 119,000.49 and 84,000.30 is: 119,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,000.30 : 119,000.49 = 84,000.30 : x
  2. Step 2: Convert to fraction form
    84,000.30/119,000.49 = 84,000.30/x
  3. Step 3: Cross multiply
    84,000.30x = 119,000.49 × 84,000.30
  4. Step 4: Simplify right side
    84,000.30x = 9,996,076,860.15
  5. Step 5: Solve for x
    x = 9,996,076,860.15/84,000.30
  6. Step 6: Final answer
    x = 119,000.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.