Home / 103,650.10-155,507.96-37,088.75

Finding the Fourth Proportional to 103,650.10, 155,507.96 and 37,088.75

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Solution

The fourth proportional to 103,650.10, 155,507.96 and 37,088.75 is: 55,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,650.10 : 155,507.96 = 37,088.75 : x
  2. Step 2: Convert to fraction form
    103,650.10/155,507.96 = 37,088.75/x
  3. Step 3: Cross multiply
    103,650.10x = 155,507.96 × 37,088.75
  4. Step 4: Simplify right side
    103,650.10x = 5,767,595,851.45
  5. Step 5: Solve for x
    x = 5,767,595,851.45/103,650.10
  6. Step 6: Final answer
    x = 55,644.87

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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.