Home / 93,731.10-140,596.65-54,389.40

Finding the Fourth Proportional to 93,731.10, 140,596.65 and 54,389.40

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Solution

The fourth proportional to 93,731.10, 140,596.65 and 54,389.40 is: 81,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,731.10 : 140,596.65 = 54,389.40 : x
  2. Step 2: Convert to fraction form
    93,731.10/140,596.65 = 54,389.40/x
  3. Step 3: Cross multiply
    93,731.10x = 140,596.65 × 54,389.40
  4. Step 4: Simplify right side
    93,731.10x = 7,646,967,435.51
  5. Step 5: Solve for x
    x = 7,646,967,435.51/93,731.10
  6. Step 6: Final answer
    x = 81,584.10

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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.