Home / 117,532.92-162,172.62-69,801.24

Finding the Fourth Proportional to 117,532.92, 162,172.62 and 69,801.24

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Solution

The fourth proportional to 117,532.92, 162,172.62 and 69,801.24 is: 96,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,532.92 : 162,172.62 = 69,801.24 : x
  2. Step 2: Convert to fraction form
    117,532.92/162,172.62 = 69,801.24/x
  3. Step 3: Cross multiply
    117,532.92x = 162,172.62 × 69,801.24
  4. Step 4: Simplify right side
    117,532.92x = 11,319,849,970.05
  5. Step 5: Solve for x
    x = 11,319,849,970.05/117,532.92
  6. Step 6: Final answer
    x = 96,312.16

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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.