Home / 112,328.64-168,492.48-45,753.92

Finding the Fourth Proportional to 112,328.64, 168,492.48 and 45,753.92

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Solution

The fourth proportional to 112,328.64, 168,492.48 and 45,753.92 is: 68,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328.64 : 168,492.48 = 45,753.92 : x
  2. Step 2: Convert to fraction form
    112,328.64/168,492.48 = 45,753.92/x
  3. Step 3: Cross multiply
    112,328.64x = 168,492.48 × 45,753.92
  4. Step 4: Simplify right side
    112,328.64x = 7,709,191,450.52
  5. Step 5: Solve for x
    x = 7,709,191,450.52/112,328.64
  6. Step 6: Final answer
    x = 68,630.68

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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.