Home / 99,479.10-149,118.85-46,208.47

Finding the Fourth Proportional to 99,479.10, 149,118.85 and 46,208.47

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Solution

The fourth proportional to 99,479.10, 149,118.85 and 46,208.47 is: 69,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,479.10 : 149,118.85 = 46,208.47 : x
  2. Step 2: Convert to fraction form
    99,479.10/149,118.85 = 46,208.47/x
  3. Step 3: Cross multiply
    99,479.10x = 149,118.85 × 46,208.47
  4. Step 4: Simplify right side
    99,479.10x = 6,890,553,906.66
  5. Step 5: Solve for x
    x = 6,890,553,906.66/99,479.10
  6. Step 6: Final answer
    x = 69,266.35

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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.