Home / 53,556.71-79,856.25-52,085.39

Finding the Fourth Proportional to 53,556.71, 79,856.25 and 52,085.39

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Solution

The fourth proportional to 53,556.71, 79,856.25 and 52,085.39 is: 77,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,556.71 : 79,856.25 = 52,085.39 : x
  2. Step 2: Convert to fraction form
    53,556.71/79,856.25 = 52,085.39/x
  3. Step 3: Cross multiply
    53,556.71x = 79,856.25 × 52,085.39
  4. Step 4: Simplify right side
    53,556.71x = 4,159,343,925.19
  5. Step 5: Solve for x
    x = 4,159,343,925.19/53,556.71
  6. Step 6: Final answer
    x = 77,662.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.