Home / 124,883.29-187,237.32-45,987.40

Finding the Fourth Proportional to 124,883.29, 187,237.32 and 45,987.40

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Solution

The fourth proportional to 124,883.29, 187,237.32 and 45,987.40 is: 68,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,883.29 : 187,237.32 = 45,987.40 : x
  2. Step 2: Convert to fraction form
    124,883.29/187,237.32 = 45,987.40/x
  3. Step 3: Cross multiply
    124,883.29x = 187,237.32 × 45,987.40
  4. Step 4: Simplify right side
    124,883.29x = 8,610,557,529.77
  5. Step 5: Solve for x
    x = 8,610,557,529.77/124,883.29
  6. Step 6: Final answer
    x = 68,948.84

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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.