Home / 53,479.26-80,364.29-28,536.93

Finding the Fourth Proportional to 53,479.26, 80,364.29 and 28,536.93

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Solution

The fourth proportional to 53,479.26, 80,364.29 and 28,536.93 is: 42,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,479.26 : 80,364.29 = 28,536.93 : x
  2. Step 2: Convert to fraction form
    53,479.26/80,364.29 = 28,536.93/x
  3. Step 3: Cross multiply
    53,479.26x = 80,364.29 × 28,536.93
  4. Step 4: Simplify right side
    53,479.26x = 2,293,349,975.55
  5. Step 5: Solve for x
    x = 2,293,349,975.55/53,479.26
  6. Step 6: Final answer
    x = 42,882.98

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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.