Home / 84,570.05-116,440.93-71,796.76

Finding the Fourth Proportional to 84,570.05, 116,440.93 and 71,796.76

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Solution

The fourth proportional to 84,570.05, 116,440.93 and 71,796.76 is: 98,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,570.05 : 116,440.93 = 71,796.76 : x
  2. Step 2: Convert to fraction form
    84,570.05/116,440.93 = 71,796.76/x
  3. Step 3: Cross multiply
    84,570.05x = 116,440.93 × 71,796.76
  4. Step 4: Simplify right side
    84,570.05x = 8,360,081,505.39
  5. Step 5: Solve for x
    x = 8,360,081,505.39/84,570.05
  6. Step 6: Final answer
    x = 98,853.93

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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.