Home / 76,590.08-105,678.66-44,752.82

Finding the Fourth Proportional to 76,590.08, 105,678.66 and 44,752.82

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Solution

The fourth proportional to 76,590.08, 105,678.66 and 44,752.82 is: 61,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,590.08 : 105,678.66 = 44,752.82 : x
  2. Step 2: Convert to fraction form
    76,590.08/105,678.66 = 44,752.82/x
  3. Step 3: Cross multiply
    76,590.08x = 105,678.66 × 44,752.82
  4. Step 4: Simplify right side
    76,590.08x = 4,729,418,048.82
  5. Step 5: Solve for x
    x = 4,729,418,048.82/76,590.08
  6. Step 6: Final answer
    x = 61,749.75

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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.