Home / 53,743.08-80,503.74-31,488.87

Finding the Fourth Proportional to 53,743.08, 80,503.74 and 31,488.87

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Solution

The fourth proportional to 53,743.08, 80,503.74 and 31,488.87 is: 47,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,743.08 : 80,503.74 = 31,488.87 : x
  2. Step 2: Convert to fraction form
    53,743.08/80,503.74 = 31,488.87/x
  3. Step 3: Cross multiply
    53,743.08x = 80,503.74 × 31,488.87
  4. Step 4: Simplify right side
    53,743.08x = 2,534,971,803.37
  5. Step 5: Solve for x
    x = 2,534,971,803.37/53,743.08
  6. Step 6: Final answer
    x = 47,168.34

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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.