Home / 112,823.48-169,237.14-42,735.80

Finding the Fourth Proportional to 112,823.48, 169,237.14 and 42,735.80

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Solution

The fourth proportional to 112,823.48, 169,237.14 and 42,735.80 is: 64,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,823.48 : 169,237.14 = 42,735.80 : x
  2. Step 2: Convert to fraction form
    112,823.48/169,237.14 = 42,735.80/x
  3. Step 3: Cross multiply
    112,823.48x = 169,237.14 × 42,735.80
  4. Step 4: Simplify right side
    112,823.48x = 7,232,484,567.61
  5. Step 5: Solve for x
    x = 7,232,484,567.61/112,823.48
  6. Step 6: Final answer
    x = 64,104.43

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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.