Home / 69,206.35-103,636.72-45,705.55

Finding the Fourth Proportional to 69,206.35, 103,636.72 and 45,705.55

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Solution

The fourth proportional to 69,206.35, 103,636.72 and 45,705.55 is: 68,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,206.35 : 103,636.72 = 45,705.55 : x
  2. Step 2: Convert to fraction form
    69,206.35/103,636.72 = 45,705.55/x
  3. Step 3: Cross multiply
    69,206.35x = 103,636.72 × 45,705.55
  4. Step 4: Simplify right side
    69,206.35x = 4,736,773,287.80
  5. Step 5: Solve for x
    x = 4,736,773,287.80/69,206.35
  6. Step 6: Final answer
    x = 68,444.20

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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.