Home / 103,433.40-155,150.10-36,875.70

Finding the Fourth Proportional to 103,433.40, 155,150.10 and 36,875.70

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Solution

The fourth proportional to 103,433.40, 155,150.10 and 36,875.70 is: 55,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,433.40 : 155,150.10 = 36,875.70 : x
  2. Step 2: Convert to fraction form
    103,433.40/155,150.10 = 36,875.70/x
  3. Step 3: Cross multiply
    103,433.40x = 155,150.10 × 36,875.70
  4. Step 4: Simplify right side
    103,433.40x = 5,721,268,542.57
  5. Step 5: Solve for x
    x = 5,721,268,542.57/103,433.40
  6. Step 6: Final answer
    x = 55,313.55

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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.