Home / 52,095.71-78,091.65-20,486.00

Finding the Fourth Proportional to 52,095.71, 78,091.65 and 20,486.00

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Solution

The fourth proportional to 52,095.71, 78,091.65 and 20,486.00 is: 30,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,095.71 : 78,091.65 = 20,486.00 : x
  2. Step 2: Convert to fraction form
    52,095.71/78,091.65 = 20,486.00/x
  3. Step 3: Cross multiply
    52,095.71x = 78,091.65 × 20,486.00
  4. Step 4: Simplify right side
    52,095.71x = 1,599,785,151.44
  5. Step 5: Solve for x
    x = 1,599,785,151.44/52,095.71
  6. Step 6: Final answer
    x = 30,708.58

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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.