Home / 60,665.60-90,998.40-45,903.35

Finding the Fourth Proportional to 60,665.60, 90,998.40 and 45,903.35

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Solution

The fourth proportional to 60,665.60, 90,998.40 and 45,903.35 is: 68,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,665.60 : 90,998.40 = 45,903.35 : x
  2. Step 2: Convert to fraction form
    60,665.60/90,998.40 = 45,903.35/x
  3. Step 3: Cross multiply
    60,665.60x = 90,998.40 × 45,903.35
  4. Step 4: Simplify right side
    60,665.60x = 4,177,131,404.64
  5. Step 5: Solve for x
    x = 4,177,131,404.64/60,665.60
  6. Step 6: Final answer
    x = 68,855.03

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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.