Home / 124,308.40-186,462.60-57,726.40

Finding the Fourth Proportional to 124,308.40, 186,462.60 and 57,726.40

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Solution

The fourth proportional to 124,308.40, 186,462.60 and 57,726.40 is: 86,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,308.40 : 186,462.60 = 57,726.40 : x
  2. Step 2: Convert to fraction form
    124,308.40/186,462.60 = 57,726.40/x
  3. Step 3: Cross multiply
    124,308.40x = 186,462.60 × 57,726.40
  4. Step 4: Simplify right side
    124,308.40x = 10,763,814,632.64
  5. Step 5: Solve for x
    x = 10,763,814,632.64/124,308.40
  6. Step 6: Final answer
    x = 86,589.60

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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.