Home / 112,055.10-168,082.65-45,497.40

Finding the Fourth Proportional to 112,055.10, 168,082.65 and 45,497.40

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Solution

The fourth proportional to 112,055.10, 168,082.65 and 45,497.40 is: 68,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,055.10 : 168,082.65 = 45,497.40 : x
  2. Step 2: Convert to fraction form
    112,055.10/168,082.65 = 45,497.40/x
  3. Step 3: Cross multiply
    112,055.10x = 168,082.65 × 45,497.40
  4. Step 4: Simplify right side
    112,055.10x = 7,647,323,560.11
  5. Step 5: Solve for x
    x = 7,647,323,560.11/112,055.10
  6. Step 6: Final answer
    x = 68,246.10

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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.