Home / 112,822.48-169,235.64-42,734.80

Finding the Fourth Proportional to 112,822.48, 169,235.64 and 42,734.80

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Solution

The fourth proportional to 112,822.48, 169,235.64 and 42,734.80 is: 64,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,822.48 : 169,235.64 = 42,734.80 : x
  2. Step 2: Convert to fraction form
    112,822.48/169,235.64 = 42,734.80/x
  3. Step 3: Cross multiply
    112,822.48x = 169,235.64 × 42,734.80
  4. Step 4: Simplify right side
    112,822.48x = 7,232,251,228.27
  5. Step 5: Solve for x
    x = 7,232,251,228.27/112,822.48
  6. Step 6: Final answer
    x = 64,102.93

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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.