Home / 82,154.05-113,373.05-45,857.14

Finding the Fourth Proportional to 82,154.05, 113,373.05 and 45,857.14

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Solution

The fourth proportional to 82,154.05, 113,373.05 and 45,857.14 is: 63,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,154.05 : 113,373.05 = 45,857.14 : x
  2. Step 2: Convert to fraction form
    82,154.05/113,373.05 = 45,857.14/x
  3. Step 3: Cross multiply
    82,154.05x = 113,373.05 × 45,857.14
  4. Step 4: Simplify right side
    82,154.05x = 5,198,963,313.36
  5. Step 5: Solve for x
    x = 5,198,963,313.36/82,154.05
  6. Step 6: Final answer
    x = 63,283.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.