Home / 68,365.16-102,547.32-36,790.10

Finding the Fourth Proportional to 68,365.16, 102,547.32 and 36,790.10

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Solution

The fourth proportional to 68,365.16, 102,547.32 and 36,790.10 is: 55,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,365.16 : 102,547.32 = 36,790.10 : x
  2. Step 2: Convert to fraction form
    68,365.16/102,547.32 = 36,790.10/x
  3. Step 3: Cross multiply
    68,365.16x = 102,547.32 × 36,790.10
  4. Step 4: Simplify right side
    68,365.16x = 3,772,725,891.38
  5. Step 5: Solve for x
    x = 3,772,725,891.38/68,365.16
  6. Step 6: Final answer
    x = 55,184.92

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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.