Home / 55,200.40-82,800.60-46,343.05

Finding the Fourth Proportional to 55,200.40, 82,800.60 and 46,343.05

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Solution

The fourth proportional to 55,200.40, 82,800.60 and 46,343.05 is: 69,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,200.40 : 82,800.60 = 46,343.05 : x
  2. Step 2: Convert to fraction form
    55,200.40/82,800.60 = 46,343.05/x
  3. Step 3: Cross multiply
    55,200.40x = 82,800.60 × 46,343.05
  4. Step 4: Simplify right side
    55,200.40x = 3,837,232,345.83
  5. Step 5: Solve for x
    x = 3,837,232,345.83/55,200.40
  6. Step 6: Final answer
    x = 69,514.58

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1.5x scale

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.