Home / 93,371.81-128,857.66-52,548.69

Finding the Fourth Proportional to 93,371.81, 128,857.66 and 52,548.69

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Solution

The fourth proportional to 93,371.81, 128,857.66 and 52,548.69 is: 72,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,371.81 : 128,857.66 = 52,548.69 : x
  2. Step 2: Convert to fraction form
    93,371.81/128,857.66 = 52,548.69/x
  3. Step 3: Cross multiply
    93,371.81x = 128,857.66 × 52,548.69
  4. Step 4: Simplify right side
    93,371.81x = 6,771,301,098.09
  5. Step 5: Solve for x
    x = 6,771,301,098.09/93,371.81
  6. Step 6: Final answer
    x = 72,519.76

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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.