Home / 93,515.10-140,272.65-38,111.10

Finding the Fourth Proportional to 93,515.10, 140,272.65 and 38,111.10

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Solution

The fourth proportional to 93,515.10, 140,272.65 and 38,111.10 is: 57,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,515.10 : 140,272.65 = 38,111.10 : x
  2. Step 2: Convert to fraction form
    93,515.10/140,272.65 = 38,111.10/x
  3. Step 3: Cross multiply
    93,515.10x = 140,272.65 × 38,111.10
  4. Step 4: Simplify right side
    93,515.10x = 5,345,944,991.42
  5. Step 5: Solve for x
    x = 5,345,944,991.42/93,515.10
  6. Step 6: Final answer
    x = 57,166.65

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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.