Home / 93,651.54-129,306.81-57,890.58

Finding the Fourth Proportional to 93,651.54, 129,306.81 and 57,890.58

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Solution

The fourth proportional to 93,651.54, 129,306.81 and 57,890.58 is: 79,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,651.54 : 129,306.81 = 57,890.58 : x
  2. Step 2: Convert to fraction form
    93,651.54/129,306.81 = 57,890.58/x
  3. Step 3: Cross multiply
    93,651.54x = 129,306.81 × 57,890.58
  4. Step 4: Simplify right side
    93,651.54x = 7,485,646,228.85
  5. Step 5: Solve for x
    x = 7,485,646,228.85/93,651.54
  6. Step 6: Final answer
    x = 79,930.84

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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.