Home / 93,390.26-128,873.31-53,113.82

Finding the Fourth Proportional to 93,390.26, 128,873.31 and 53,113.82

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Solution

The fourth proportional to 93,390.26, 128,873.31 and 53,113.82 is: 73,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,390.26 : 128,873.31 = 53,113.82 : x
  2. Step 2: Convert to fraction form
    93,390.26/128,873.31 = 53,113.82/x
  3. Step 3: Cross multiply
    93,390.26x = 128,873.31 × 53,113.82
  4. Step 4: Simplify right side
    93,390.26x = 6,844,953,790.14
  5. Step 5: Solve for x
    x = 6,844,953,790.14/93,390.26
  6. Step 6: Final answer
    x = 73,294.09

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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.