Home / 93,462.26-128,976.25-53,175.16

Finding the Fourth Proportional to 93,462.26, 128,976.25 and 53,175.16

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Solution

The fourth proportional to 93,462.26, 128,976.25 and 53,175.16 is: 73,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,462.26 : 128,976.25 = 53,175.16 : x
  2. Step 2: Convert to fraction form
    93,462.26/128,976.25 = 53,175.16/x
  3. Step 3: Cross multiply
    93,462.26x = 128,976.25 × 53,175.16
  4. Step 4: Simplify right side
    93,462.26x = 6,858,332,729.95
  5. Step 5: Solve for x
    x = 6,858,332,729.95/93,462.26
  6. Step 6: Final answer
    x = 73,380.77

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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.