Home / 76,277.52-105,269.64-44,445.72

Finding the Fourth Proportional to 76,277.52, 105,269.64 and 44,445.72

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Solution

The fourth proportional to 76,277.52, 105,269.64 and 44,445.72 is: 61,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,277.52 : 105,269.64 = 44,445.72 : x
  2. Step 2: Convert to fraction form
    76,277.52/105,269.64 = 44,445.72/x
  3. Step 3: Cross multiply
    76,277.52x = 105,269.64 × 44,445.72
  4. Step 4: Simplify right side
    76,277.52x = 4,678,784,943.94
  5. Step 5: Solve for x
    x = 4,678,784,943.94/76,277.52
  6. Step 6: Final answer
    x = 61,338.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.