Home / 51,298.14-70,776-49,606.86

Finding the Fourth Proportional to 51,298.14, 70,776 and 49,606.86

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Solution

The fourth proportional to 51,298.14, 70,776 and 49,606.86 is: 68,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,298.14 : 70,776 = 49,606.86 : x
  2. Step 2: Convert to fraction form
    51,298.14/70,776 = 49,606.86/x
  3. Step 3: Cross multiply
    51,298.14x = 70,776 × 49,606.86
  4. Step 4: Simplify right side
    51,298.14x = 3,510,975,123.36
  5. Step 5: Solve for x
    x = 3,510,975,123.36/51,298.14
  6. Step 6: Final answer
    x = 68,442.54

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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.