Home / 53,256.42-79,870.92-15,807.64

Finding the Fourth Proportional to 53,256.42, 79,870.92 and 15,807.64

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Solution

The fourth proportional to 53,256.42, 79,870.92 and 15,807.64 is: 23,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,256.42 : 79,870.92 = 15,807.64 : x
  2. Step 2: Convert to fraction form
    53,256.42/79,870.92 = 15,807.64/x
  3. Step 3: Cross multiply
    53,256.42x = 79,870.92 × 15,807.64
  4. Step 4: Simplify right side
    53,256.42x = 1,262,570,749.83
  5. Step 5: Solve for x
    x = 1,262,570,749.83/53,256.42
  6. Step 6: Final answer
    x = 23,707.39

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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.