Home / 53,698.20-80,540.98-14,258.35

Finding the Fourth Proportional to 53,698.20, 80,540.98 and 14,258.35

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Solution

The fourth proportional to 53,698.20, 80,540.98 and 14,258.35 is: 21,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,698.20 : 80,540.98 = 14,258.35 : x
  2. Step 2: Convert to fraction form
    53,698.20/80,540.98 = 14,258.35/x
  3. Step 3: Cross multiply
    53,698.20x = 80,540.98 × 14,258.35
  4. Step 4: Simplify right side
    53,698.20x = 1,148,381,482.18
  5. Step 5: Solve for x
    x = 1,148,381,482.18/53,698.20
  6. Step 6: Final answer
    x = 21,385.85

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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.