Home / 81,403.26-112,337.82-46,928.94

Finding the Fourth Proportional to 81,403.26, 112,337.82 and 46,928.94

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Solution

The fourth proportional to 81,403.26, 112,337.82 and 46,928.94 is: 64,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,403.26 : 112,337.82 = 46,928.94 : x
  2. Step 2: Convert to fraction form
    81,403.26/112,337.82 = 46,928.94/x
  3. Step 3: Cross multiply
    81,403.26x = 112,337.82 × 46,928.94
  4. Step 4: Simplify right side
    81,403.26x = 5,271,894,814.51
  5. Step 5: Solve for x
    x = 5,271,894,814.51/81,403.26
  6. Step 6: Final answer
    x = 64,762.70

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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.