Home / 53,823.30-80,478.56-49,117.77

Finding the Fourth Proportional to 53,823.30, 80,478.56 and 49,117.77

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Solution

The fourth proportional to 53,823.30, 80,478.56 and 49,117.77 is: 73,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.30 : 80,478.56 = 49,117.77 : x
  2. Step 2: Convert to fraction form
    53,823.30/80,478.56 = 49,117.77/x
  3. Step 3: Cross multiply
    53,823.30x = 80,478.56 × 49,117.77
  4. Step 4: Simplify right side
    53,823.30x = 3,952,927,154.42
  5. Step 5: Solve for x
    x = 3,952,927,154.42/53,823.30
  6. Step 6: Final answer
    x = 73,442.68

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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.