Home / 93,683.25-129,345.32-55,455.03

Finding the Fourth Proportional to 93,683.25, 129,345.32 and 55,455.03

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Solution

The fourth proportional to 93,683.25, 129,345.32 and 55,455.03 is: 76,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,683.25 : 129,345.32 = 55,455.03 : x
  2. Step 2: Convert to fraction form
    93,683.25/129,345.32 = 55,455.03/x
  3. Step 3: Cross multiply
    93,683.25x = 129,345.32 × 55,455.03
  4. Step 4: Simplify right side
    93,683.25x = 7,172,848,739.60
  5. Step 5: Solve for x
    x = 7,172,848,739.60/93,683.25
  6. Step 6: Final answer
    x = 76,564.90

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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.