Home / 93,254.08-128,680.96-55,521.12

Finding the Fourth Proportional to 93,254.08, 128,680.96 and 55,521.12

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Solution

The fourth proportional to 93,254.08, 128,680.96 and 55,521.12 is: 76,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,254.08 : 128,680.96 = 55,521.12 : x
  2. Step 2: Convert to fraction form
    93,254.08/128,680.96 = 55,521.12/x
  3. Step 3: Cross multiply
    93,254.08x = 128,680.96 × 55,521.12
  4. Step 4: Simplify right side
    93,254.08x = 7,144,511,021.88
  5. Step 5: Solve for x
    x = 7,144,511,021.88/93,254.08
  6. Step 6: Final answer
    x = 76,613.39

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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.