Home / 112,992.34-169,422.06-42,876.58

Finding the Fourth Proportional to 112,992.34, 169,422.06 and 42,876.58

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Solution

The fourth proportional to 112,992.34, 169,422.06 and 42,876.58 is: 64,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,992.34 : 169,422.06 = 42,876.58 : x
  2. Step 2: Convert to fraction form
    112,992.34/169,422.06 = 42,876.58/x
  3. Step 3: Cross multiply
    112,992.34x = 169,422.06 × 42,876.58
  4. Step 4: Simplify right side
    112,992.34x = 7,264,238,509.35
  5. Step 5: Solve for x
    x = 7,264,238,509.35/112,992.34
  6. Step 6: Final answer
    x = 64,289.65

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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.