Home / 170,053.20-255,071.70-57,722.40

Finding the Fourth Proportional to 170,053.20, 255,071.70 and 57,722.40

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Solution

The fourth proportional to 170,053.20, 255,071.70 and 57,722.40 is: 86,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,053.20 : 255,071.70 = 57,722.40 : x
  2. Step 2: Convert to fraction form
    170,053.20/255,071.70 = 57,722.40/x
  3. Step 3: Cross multiply
    170,053.20x = 255,071.70 × 57,722.40
  4. Step 4: Simplify right side
    170,053.20x = 14,723,350,696.08
  5. Step 5: Solve for x
    x = 14,723,350,696.08/170,053.20
  6. Step 6: Final answer
    x = 86,580.85

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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.