Home / 78,566.14-108,458.36-50,288.23

Finding the Fourth Proportional to 78,566.14, 108,458.36 and 50,288.23

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Solution

The fourth proportional to 78,566.14, 108,458.36 and 50,288.23 is: 69,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,566.14 : 108,458.36 = 50,288.23 : x
  2. Step 2: Convert to fraction form
    78,566.14/108,458.36 = 50,288.23/x
  3. Step 3: Cross multiply
    78,566.14x = 108,458.36 × 50,288.23
  4. Step 4: Simplify right side
    78,566.14x = 5,454,178,953.10
  5. Step 5: Solve for x
    x = 5,454,178,953.10/78,566.14
  6. Step 6: Final answer
    x = 69,421.50

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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.