Home / 69,430.05-95,815.22-42,587.36

Finding the Fourth Proportional to 69,430.05, 95,815.22 and 42,587.36

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Solution

The fourth proportional to 69,430.05, 95,815.22 and 42,587.36 is: 58,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,430.05 : 95,815.22 = 42,587.36 : x
  2. Step 2: Convert to fraction form
    69,430.05/95,815.22 = 42,587.36/x
  3. Step 3: Cross multiply
    69,430.05x = 95,815.22 × 42,587.36
  4. Step 4: Simplify right side
    69,430.05x = 4,080,517,267.62
  5. Step 5: Solve for x
    x = 4,080,517,267.62/69,430.05
  6. Step 6: Final answer
    x = 58,771.63

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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.