Home / 124,822.28-187,214.96-45,918.05

Finding the Fourth Proportional to 124,822.28, 187,214.96 and 45,918.05

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Solution

The fourth proportional to 124,822.28, 187,214.96 and 45,918.05 is: 68,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,822.28 : 187,214.96 = 45,918.05 : x
  2. Step 2: Convert to fraction form
    124,822.28/187,214.96 = 45,918.05/x
  3. Step 3: Cross multiply
    124,822.28x = 187,214.96 × 45,918.05
  4. Step 4: Simplify right side
    124,822.28x = 8,596,544,728.36
  5. Step 5: Solve for x
    x = 8,596,544,728.36/124,822.28
  6. Step 6: Final answer
    x = 68,870.28

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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.