Home / 91,087.46-125,699.01-50,804.54

Finding the Fourth Proportional to 91,087.46, 125,699.01 and 50,804.54

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Solution

The fourth proportional to 91,087.46, 125,699.01 and 50,804.54 is: 70,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,087.46 : 125,699.01 = 50,804.54 : x
  2. Step 2: Convert to fraction form
    91,087.46/125,699.01 = 50,804.54/x
  3. Step 3: Cross multiply
    91,087.46x = 125,699.01 × 50,804.54
  4. Step 4: Simplify right side
    91,087.46x = 6,386,080,381.51
  5. Step 5: Solve for x
    x = 6,386,080,381.51/91,087.46
  6. Step 6: Final answer
    x = 70,109.33

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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.