Home / 84,836.77-117,089.25-49,047.42

Finding the Fourth Proportional to 84,836.77, 117,089.25 and 49,047.42

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Solution

The fourth proportional to 84,836.77, 117,089.25 and 49,047.42 is: 67,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,836.77 : 117,089.25 = 49,047.42 : x
  2. Step 2: Convert to fraction form
    84,836.77/117,089.25 = 49,047.42/x
  3. Step 3: Cross multiply
    84,836.77x = 117,089.25 × 49,047.42
  4. Step 4: Simplify right side
    84,836.77x = 5,742,925,877.39
  5. Step 5: Solve for x
    x = 5,742,925,877.39/84,836.77
  6. Step 6: Final answer
    x = 67,693.83

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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.