Home / 102,069.61-153,120.84-35,528.65

Finding the Fourth Proportional to 102,069.61, 153,120.84 and 35,528.65

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Solution

The fourth proportional to 102,069.61, 153,120.84 and 35,528.65 is: 53,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,069.61 : 153,120.84 = 35,528.65 : x
  2. Step 2: Convert to fraction form
    102,069.61/153,120.84 = 35,528.65/x
  3. Step 3: Cross multiply
    102,069.61x = 153,120.84 × 35,528.65
  4. Step 4: Simplify right side
    102,069.61x = 5,440,176,732.07
  5. Step 5: Solve for x
    x = 5,440,176,732.07/102,069.61
  6. Step 6: Final answer
    x = 53,298.69

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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.