Home / 93,605.75-129,155.58-55,367.40

Finding the Fourth Proportional to 93,605.75, 129,155.58 and 55,367.40

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Solution

The fourth proportional to 93,605.75, 129,155.58 and 55,367.40 is: 76,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,605.75 : 129,155.58 = 55,367.40 : x
  2. Step 2: Convert to fraction form
    93,605.75/129,155.58 = 55,367.40/x
  3. Step 3: Cross multiply
    93,605.75x = 129,155.58 × 55,367.40
  4. Step 4: Simplify right side
    93,605.75x = 7,151,008,660.09
  5. Step 5: Solve for x
    x = 7,151,008,660.09/93,605.75
  6. Step 6: Final answer
    x = 76,394.98

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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.