Home / 93,173.28-128,513.82-57,383.01

Finding the Fourth Proportional to 93,173.28, 128,513.82 and 57,383.01

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Solution

The fourth proportional to 93,173.28, 128,513.82 and 57,383.01 is: 79,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,173.28 : 128,513.82 = 57,383.01 : x
  2. Step 2: Convert to fraction form
    93,173.28/128,513.82 = 57,383.01/x
  3. Step 3: Cross multiply
    93,173.28x = 128,513.82 × 57,383.01
  4. Step 4: Simplify right side
    93,173.28x = 7,374,509,818.20
  5. Step 5: Solve for x
    x = 7,374,509,818.20/93,173.28
  6. Step 6: Final answer
    x = 79,148.33

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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.