Home / 76,038.77-104,898.63-49,189.93

Finding the Fourth Proportional to 76,038.77, 104,898.63 and 49,189.93

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Solution

The fourth proportional to 76,038.77, 104,898.63 and 49,189.93 is: 67,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,038.77 : 104,898.63 = 49,189.93 : x
  2. Step 2: Convert to fraction form
    76,038.77/104,898.63 = 49,189.93/x
  3. Step 3: Cross multiply
    76,038.77x = 104,898.63 × 49,189.93
  4. Step 4: Simplify right side
    76,038.77x = 5,159,956,189.01
  5. Step 5: Solve for x
    x = 5,159,956,189.01/76,038.77
  6. Step 6: Final answer
    x = 67,859.54

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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.