Home / 76,320.45-105,308.65-46,085.52

Finding the Fourth Proportional to 76,320.45, 105,308.65 and 46,085.52

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Solution

The fourth proportional to 76,320.45, 105,308.65 and 46,085.52 is: 63,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,320.45 : 105,308.65 = 46,085.52 : x
  2. Step 2: Convert to fraction form
    76,320.45/105,308.65 = 46,085.52/x
  3. Step 3: Cross multiply
    76,320.45x = 105,308.65 × 46,085.52
  4. Step 4: Simplify right side
    76,320.45x = 4,853,203,253.99
  5. Step 5: Solve for x
    x = 4,853,203,253.99/76,320.45
  6. Step 6: Final answer
    x = 63,589.81

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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.