Home / 46,868.45-70,288.07-13,590.81

Finding the Fourth Proportional to 46,868.45, 70,288.07 and 13,590.81

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Solution

The fourth proportional to 46,868.45, 70,288.07 and 13,590.81 is: 20,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,868.45 : 70,288.07 = 13,590.81 : x
  2. Step 2: Convert to fraction form
    46,868.45/70,288.07 = 13,590.81/x
  3. Step 3: Cross multiply
    46,868.45x = 70,288.07 × 13,590.81
  4. Step 4: Simplify right side
    46,868.45x = 955,271,736.68
  5. Step 5: Solve for x
    x = 955,271,736.68/46,868.45
  6. Step 6: Final answer
    x = 20,381.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.