Home / 93,895.12-129,578.76-53,609.20

Finding the Fourth Proportional to 93,895.12, 129,578.76 and 53,609.20

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Solution

The fourth proportional to 93,895.12, 129,578.76 and 53,609.20 is: 73,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,895.12 : 129,578.76 = 53,609.20 : x
  2. Step 2: Convert to fraction form
    93,895.12/129,578.76 = 53,609.20/x
  3. Step 3: Cross multiply
    93,895.12x = 129,578.76 × 53,609.20
  4. Step 4: Simplify right side
    93,895.12x = 6,946,613,660.59
  5. Step 5: Solve for x
    x = 6,946,613,660.59/93,895.12
  6. Step 6: Final answer
    x = 73,982.69

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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.