Home / 93,177.69-128,581.20-52,890.72

Finding the Fourth Proportional to 93,177.69, 128,581.20 and 52,890.72

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Solution

The fourth proportional to 93,177.69, 128,581.20 and 52,890.72 is: 72,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,177.69 : 128,581.20 = 52,890.72 : x
  2. Step 2: Convert to fraction form
    93,177.69/128,581.20 = 52,890.72/x
  3. Step 3: Cross multiply
    93,177.69x = 128,581.20 × 52,890.72
  4. Step 4: Simplify right side
    93,177.69x = 6,800,752,246.46
  5. Step 5: Solve for x
    x = 6,800,752,246.46/93,177.69
  6. Step 6: Final answer
    x = 72,986.92

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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.