Home / 56,458.34-84,613.68-23,139.39

Finding the Fourth Proportional to 56,458.34, 84,613.68 and 23,139.39

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Solution

The fourth proportional to 56,458.34, 84,613.68 and 23,139.39 is: 34,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458.34 : 84,613.68 = 23,139.39 : x
  2. Step 2: Convert to fraction form
    56,458.34/84,613.68 = 23,139.39/x
  3. Step 3: Cross multiply
    56,458.34x = 84,613.68 × 23,139.39
  4. Step 4: Simplify right side
    56,458.34x = 1,957,908,940.86
  5. Step 5: Solve for x
    x = 1,957,908,940.86/56,458.34
  6. Step 6: Final answer
    x = 34,678.83

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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.