Home / 124,518-186,776.37-57,921.42

Finding the Fourth Proportional to 124,518, 186,776.37 and 57,921.42

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Solution

The fourth proportional to 124,518, 186,776.37 and 57,921.42 is: 86,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518 : 186,776.37 = 57,921.42 : x
  2. Step 2: Convert to fraction form
    124,518/186,776.37 = 57,921.42/x
  3. Step 3: Cross multiply
    124,518x = 186,776.37 × 57,921.42
  4. Step 4: Simplify right side
    124,518x = 10,818,352,572.85
  5. Step 5: Solve for x
    x = 10,818,352,572.85/124,518
  6. Step 6: Final answer
    x = 86,881.84

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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.