Home / 117,632.61-162,346.91-69,886.13

Finding the Fourth Proportional to 117,632.61, 162,346.91 and 69,886.13

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Solution

The fourth proportional to 117,632.61, 162,346.91 and 69,886.13 is: 96,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632.61 : 162,346.91 = 69,886.13 : x
  2. Step 2: Convert to fraction form
    117,632.61/162,346.91 = 69,886.13/x
  3. Step 3: Cross multiply
    117,632.61x = 162,346.91 × 69,886.13
  4. Step 4: Simplify right side
    117,632.61x = 11,345,796,096.19
  5. Step 5: Solve for x
    x = 11,345,796,096.19/117,632.61
  6. Step 6: Final answer
    x = 96,451.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.