Home / 93,073.11-128,438.19-52,790.58

Finding the Fourth Proportional to 93,073.11, 128,438.19 and 52,790.58

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Solution

The fourth proportional to 93,073.11, 128,438.19 and 52,790.58 is: 72,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,073.11 : 128,438.19 = 52,790.58 : x
  2. Step 2: Convert to fraction form
    93,073.11/128,438.19 = 52,790.58/x
  3. Step 3: Cross multiply
    93,073.11x = 128,438.19 × 52,790.58
  4. Step 4: Simplify right side
    93,073.11x = 6,780,326,544.25
  5. Step 5: Solve for x
    x = 6,780,326,544.25/93,073.11
  6. Step 6: Final answer
    x = 72,849.47

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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.