Home / 125,164.94-187,815.72-53,106.72

Finding the Fourth Proportional to 125,164.94, 187,815.72 and 53,106.72

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Solution

The fourth proportional to 125,164.94, 187,815.72 and 53,106.72 is: 79,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,164.94 : 187,815.72 = 53,106.72 : x
  2. Step 2: Convert to fraction form
    125,164.94/187,815.72 = 53,106.72/x
  3. Step 3: Cross multiply
    125,164.94x = 187,815.72 × 53,106.72
  4. Step 4: Simplify right side
    125,164.94x = 9,974,276,853.64
  5. Step 5: Solve for x
    x = 9,974,276,853.64/125,164.94
  6. Step 6: Final answer
    x = 79,689.07

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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.