Home / 56,420.51-77,806.58-33,755.90

Finding the Fourth Proportional to 56,420.51, 77,806.58 and 33,755.90

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Solution

The fourth proportional to 56,420.51, 77,806.58 and 33,755.90 is: 46,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,420.51 : 77,806.58 = 33,755.90 : x
  2. Step 2: Convert to fraction form
    56,420.51/77,806.58 = 33,755.90/x
  3. Step 3: Cross multiply
    56,420.51x = 77,806.58 × 33,755.90
  4. Step 4: Simplify right side
    56,420.51x = 2,626,430,576.01
  5. Step 5: Solve for x
    x = 2,626,430,576.01/56,420.51
  6. Step 6: Final answer
    x = 46,550.99

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1.5x scale

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.