Home / 112,496.64-168,742.67-45,921.17

Finding the Fourth Proportional to 112,496.64, 168,742.67 and 45,921.17

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Solution

The fourth proportional to 112,496.64, 168,742.67 and 45,921.17 is: 68,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,496.64 : 168,742.67 = 45,921.17 : x
  2. Step 2: Convert to fraction form
    112,496.64/168,742.67 = 45,921.17/x
  3. Step 3: Cross multiply
    112,496.64x = 168,742.67 × 45,921.17
  4. Step 4: Simplify right side
    112,496.64x = 7,748,860,835.32
  5. Step 5: Solve for x
    x = 7,748,860,835.32/112,496.64
  6. Step 6: Final answer
    x = 68,880.82

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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.