Home / 124,139.84-186,222.64-53,069.98

Finding the Fourth Proportional to 124,139.84, 186,222.64 and 53,069.98

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Solution

The fourth proportional to 124,139.84, 186,222.64 and 53,069.98 is: 79,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,139.84 : 186,222.64 = 53,069.98 : x
  2. Step 2: Convert to fraction form
    124,139.84/186,222.64 = 53,069.98/x
  3. Step 3: Cross multiply
    124,139.84x = 186,222.64 × 53,069.98
  4. Step 4: Simplify right side
    124,139.84x = 9,882,831,780.35
  5. Step 5: Solve for x
    x = 9,882,831,780.35/124,139.84
  6. Step 6: Final answer
    x = 79,610.48

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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.