Home / 84,375.27-116,384.04-64,187.91

Finding the Fourth Proportional to 84,375.27, 116,384.04 and 64,187.91

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Solution

The fourth proportional to 84,375.27, 116,384.04 and 64,187.91 is: 88,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,375.27 : 116,384.04 = 64,187.91 : x
  2. Step 2: Convert to fraction form
    84,375.27/116,384.04 = 64,187.91/x
  3. Step 3: Cross multiply
    84,375.27x = 116,384.04 × 64,187.91
  4. Step 4: Simplify right side
    84,375.27x = 7,470,448,284.96
  5. Step 5: Solve for x
    x = 7,470,448,284.96/84,375.27
  6. Step 6: Final answer
    x = 88,538.36

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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.