Home / 84,316.74-116,345.34-82,048.74

Finding the Fourth Proportional to 84,316.74, 116,345.34 and 82,048.74

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Solution

The fourth proportional to 84,316.74, 116,345.34 and 82,048.74 is: 113,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,316.74 : 116,345.34 = 82,048.74 : x
  2. Step 2: Convert to fraction form
    84,316.74/116,345.34 = 82,048.74/x
  3. Step 3: Cross multiply
    84,316.74x = 116,345.34 × 82,048.74
  4. Step 4: Simplify right side
    84,316.74x = 9,545,988,551.87
  5. Step 5: Solve for x
    x = 9,545,988,551.87/84,316.74
  6. Step 6: Final answer
    x = 113,215.82

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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.