Home / 53,657.18-80,488.99-14,214.18

Finding the Fourth Proportional to 53,657.18, 80,488.99 and 14,214.18

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Solution

The fourth proportional to 53,657.18, 80,488.99 and 14,214.18 is: 21,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,657.18 : 80,488.99 = 14,214.18 : x
  2. Step 2: Convert to fraction form
    53,657.18/80,488.99 = 14,214.18/x
  3. Step 3: Cross multiply
    53,657.18x = 80,488.99 × 14,214.18
  4. Step 4: Simplify right side
    53,657.18x = 1,144,085,311.48
  5. Step 5: Solve for x
    x = 1,144,085,311.48/53,657.18
  6. Step 6: Final answer
    x = 21,322.13

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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.