Home / 112,817.08-169,203.74-42,701.86

Finding the Fourth Proportional to 112,817.08, 169,203.74 and 42,701.86

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Solution

The fourth proportional to 112,817.08, 169,203.74 and 42,701.86 is: 64,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,817.08 : 169,203.74 = 42,701.86 : x
  2. Step 2: Convert to fraction form
    112,817.08/169,203.74 = 42,701.86/x
  3. Step 3: Cross multiply
    112,817.08x = 169,203.74 × 42,701.86
  4. Step 4: Simplify right side
    112,817.08x = 7,225,314,416.96
  5. Step 5: Solve for x
    x = 7,225,314,416.96/112,817.08
  6. Step 6: Final answer
    x = 64,044.51

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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.