Home / 109,294.48-163,853.34-46,073.78

Finding the Fourth Proportional to 109,294.48, 163,853.34 and 46,073.78

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Solution

The fourth proportional to 109,294.48, 163,853.34 and 46,073.78 is: 69,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,294.48 : 163,853.34 = 46,073.78 : x
  2. Step 2: Convert to fraction form
    109,294.48/163,853.34 = 46,073.78/x
  3. Step 3: Cross multiply
    109,294.48x = 163,853.34 × 46,073.78
  4. Step 4: Simplify right side
    109,294.48x = 7,549,342,739.43
  5. Step 5: Solve for x
    x = 7,549,342,739.43/109,294.48
  6. Step 6: Final answer
    x = 69,073.41

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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.