Home / 93,516.90-140,121.45-54,005.10

Finding the Fourth Proportional to 93,516.90, 140,121.45 and 54,005.10

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Solution

The fourth proportional to 93,516.90, 140,121.45 and 54,005.10 is: 80,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,516.90 : 140,121.45 = 54,005.10 : x
  2. Step 2: Convert to fraction form
    93,516.90/140,121.45 = 54,005.10/x
  3. Step 3: Cross multiply
    93,516.90x = 140,121.45 × 54,005.10
  4. Step 4: Simplify right side
    93,516.90x = 7,567,272,919.40
  5. Step 5: Solve for x
    x = 7,567,272,919.40/93,516.90
  6. Step 6: Final answer
    x = 80,918.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.