Home / 112,566.98-155,346.10-64,168.02

Finding the Fourth Proportional to 112,566.98, 155,346.10 and 64,168.02

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Solution

The fourth proportional to 112,566.98, 155,346.10 and 64,168.02 is: 88,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,566.98 : 155,346.10 = 64,168.02 : x
  2. Step 2: Convert to fraction form
    112,566.98/155,346.10 = 64,168.02/x
  3. Step 3: Cross multiply
    112,566.98x = 155,346.10 × 64,168.02
  4. Step 4: Simplify right side
    112,566.98x = 9,968,252,289.16
  5. Step 5: Solve for x
    x = 9,968,252,289.16/112,566.98
  6. Step 6: Final answer
    x = 88,553.97

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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.