Home / 84,120.19-116,081.77-50,127.92

Finding the Fourth Proportional to 84,120.19, 116,081.77 and 50,127.92

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Solution

The fourth proportional to 84,120.19, 116,081.77 and 50,127.92 is: 69,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,120.19 : 116,081.77 = 50,127.92 : x
  2. Step 2: Convert to fraction form
    84,120.19/116,081.77 = 50,127.92/x
  3. Step 3: Cross multiply
    84,120.19x = 116,081.77 × 50,127.92
  4. Step 4: Simplify right side
    84,120.19x = 5,818,937,680.02
  5. Step 5: Solve for x
    x = 5,818,937,680.02/84,120.19
  6. Step 6: Final answer
    x = 69,174.09

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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.