Home / 124,661.40-187,056.90-54,547.80

Finding the Fourth Proportional to 124,661.40, 187,056.90 and 54,547.80

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Solution

The fourth proportional to 124,661.40, 187,056.90 and 54,547.80 is: 81,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,661.40 : 187,056.90 = 54,547.80 : x
  2. Step 2: Convert to fraction form
    124,661.40/187,056.90 = 54,547.80/x
  3. Step 3: Cross multiply
    124,661.40x = 187,056.90 × 54,547.80
  4. Step 4: Simplify right side
    124,661.40x = 10,203,542,369.82
  5. Step 5: Solve for x
    x = 10,203,542,369.82/124,661.40
  6. Step 6: Final answer
    x = 81,850.05

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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.