Home / 121,923.50-182,918.12-50,822.51

Finding the Fourth Proportional to 121,923.50, 182,918.12 and 50,822.51

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Solution

The fourth proportional to 121,923.50, 182,918.12 and 50,822.51 is: 76,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,923.50 : 182,918.12 = 50,822.51 : x
  2. Step 2: Convert to fraction form
    121,923.50/182,918.12 = 50,822.51/x
  3. Step 3: Cross multiply
    121,923.50x = 182,918.12 × 50,822.51
  4. Step 4: Simplify right side
    121,923.50x = 9,296,357,017.84
  5. Step 5: Solve for x
    x = 9,296,357,017.84/121,923.50
  6. Step 6: Final answer
    x = 76,247.46

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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.