Home / 53,369.35-80,055.65-18,308.50

Finding the Fourth Proportional to 53,369.35, 80,055.65 and 18,308.50

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Solution

The fourth proportional to 53,369.35, 80,055.65 and 18,308.50 is: 27,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,369.35 : 80,055.65 = 18,308.50 : x
  2. Step 2: Convert to fraction form
    53,369.35/80,055.65 = 18,308.50/x
  3. Step 3: Cross multiply
    53,369.35x = 80,055.65 × 18,308.50
  4. Step 4: Simplify right side
    53,369.35x = 1,465,698,776.48
  5. Step 5: Solve for x
    x = 1,465,698,776.48/53,369.35
  6. Step 6: Final answer
    x = 27,463.31

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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.