Home / 82,885.11-114,381.39-45,159.36

Finding the Fourth Proportional to 82,885.11, 114,381.39 and 45,159.36

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Solution

The fourth proportional to 82,885.11, 114,381.39 and 45,159.36 is: 62,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,885.11 : 114,381.39 = 45,159.36 : x
  2. Step 2: Convert to fraction form
    82,885.11/114,381.39 = 45,159.36/x
  3. Step 3: Cross multiply
    82,885.11x = 114,381.39 × 45,159.36
  4. Step 4: Simplify right side
    82,885.11x = 5,165,390,368.31
  5. Step 5: Solve for x
    x = 5,165,390,368.31/82,885.11
  6. Step 6: Final answer
    x = 62,319.88

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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.