Home / 68,204.16-102,265.28-28,192.32

Finding the Fourth Proportional to 68,204.16, 102,265.28 and 28,192.32

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Solution

The fourth proportional to 68,204.16, 102,265.28 and 28,192.32 is: 42,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,204.16 : 102,265.28 = 28,192.32 : x
  2. Step 2: Convert to fraction form
    68,204.16/102,265.28 = 28,192.32/x
  3. Step 3: Cross multiply
    68,204.16x = 102,265.28 × 28,192.32
  4. Step 4: Simplify right side
    68,204.16x = 2,883,095,498.65
  5. Step 5: Solve for x
    x = 2,883,095,498.65/68,204.16
  6. Step 6: Final answer
    x = 42,271.55

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1.5x scale

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.