Home / 55,887.63-77,120.36-32,913.81

Finding the Fourth Proportional to 55,887.63, 77,120.36 and 32,913.81

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Solution

The fourth proportional to 55,887.63, 77,120.36 and 32,913.81 is: 45,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887.63 : 77,120.36 = 32,913.81 : x
  2. Step 2: Convert to fraction form
    55,887.63/77,120.36 = 32,913.81/x
  3. Step 3: Cross multiply
    55,887.63x = 77,120.36 × 32,913.81
  4. Step 4: Simplify right side
    55,887.63x = 2,538,324,711.60
  5. Step 5: Solve for x
    x = 2,538,324,711.60/55,887.63
  6. Step 6: Final answer
    x = 45,418.36

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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.