Home / 85,550.33-128,325.50-35,653.93

Finding the Fourth Proportional to 85,550.33, 128,325.50 and 35,653.93

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Solution

The fourth proportional to 85,550.33, 128,325.50 and 35,653.93 is: 53,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,550.33 : 128,325.50 = 35,653.93 : x
  2. Step 2: Convert to fraction form
    85,550.33/128,325.50 = 35,653.93/x
  3. Step 3: Cross multiply
    85,550.33x = 128,325.50 × 35,653.93
  4. Step 4: Simplify right side
    85,550.33x = 4,575,308,162.54
  5. Step 5: Solve for x
    x = 4,575,308,162.54/85,550.33
  6. Step 6: Final answer
    x = 53,480.89

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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.