Home / 112,473.36-168,735.15-42,353.28

Finding the Fourth Proportional to 112,473.36, 168,735.15 and 42,353.28

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Solution

The fourth proportional to 112,473.36, 168,735.15 and 42,353.28 is: 63,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,473.36 : 168,735.15 = 42,353.28 : x
  2. Step 2: Convert to fraction form
    112,473.36/168,735.15 = 42,353.28/x
  3. Step 3: Cross multiply
    112,473.36x = 168,735.15 × 42,353.28
  4. Step 4: Simplify right side
    112,473.36x = 7,146,487,053.79
  5. Step 5: Solve for x
    x = 7,146,487,053.79/112,473.36
  6. Step 6: Final answer
    x = 63,539.38

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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.