Home / 74,857.10-112,285.65-35,491.10

Finding the Fourth Proportional to 74,857.10, 112,285.65 and 35,491.10

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Solution

The fourth proportional to 74,857.10, 112,285.65 and 35,491.10 is: 53,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,857.10 : 112,285.65 = 35,491.10 : x
  2. Step 2: Convert to fraction form
    74,857.10/112,285.65 = 35,491.10/x
  3. Step 3: Cross multiply
    74,857.10x = 112,285.65 × 35,491.10
  4. Step 4: Simplify right side
    74,857.10x = 3,985,141,232.72
  5. Step 5: Solve for x
    x = 3,985,141,232.72/74,857.10
  6. Step 6: Final answer
    x = 53,236.65

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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.