Home / 103,435.10-155,152.65-50,833.70

Finding the Fourth Proportional to 103,435.10, 155,152.65 and 50,833.70

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Solution

The fourth proportional to 103,435.10, 155,152.65 and 50,833.70 is: 76,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,435.10 : 155,152.65 = 50,833.70 : x
  2. Step 2: Convert to fraction form
    103,435.10/155,152.65 = 50,833.70/x
  3. Step 3: Cross multiply
    103,435.10x = 155,152.65 × 50,833.70
  4. Step 4: Simplify right side
    103,435.10x = 7,886,983,264.31
  5. Step 5: Solve for x
    x = 7,886,983,264.31/103,435.10
  6. Step 6: Final answer
    x = 76,250.55

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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.