Home / 124,136.61-186,059.09-57,435.81

Finding the Fourth Proportional to 124,136.61, 186,059.09 and 57,435.81

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Solution

The fourth proportional to 124,136.61, 186,059.09 and 57,435.81 is: 86,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,136.61 : 186,059.09 = 57,435.81 : x
  2. Step 2: Convert to fraction form
    124,136.61/186,059.09 = 57,435.81/x
  3. Step 3: Cross multiply
    124,136.61x = 186,059.09 × 57,435.81
  4. Step 4: Simplify right side
    124,136.61x = 10,686,454,685.60
  5. Step 5: Solve for x
    x = 10,686,454,685.60/124,136.61
  6. Step 6: Final answer
    x = 86,086.25

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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.