Home / 60,268.41-90,330.93-45,428.40

Finding the Fourth Proportional to 60,268.41, 90,330.93 and 45,428.40

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Solution

The fourth proportional to 60,268.41, 90,330.93 and 45,428.40 is: 68,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,268.41 : 90,330.93 = 45,428.40 : x
  2. Step 2: Convert to fraction form
    60,268.41/90,330.93 = 45,428.40/x
  3. Step 3: Cross multiply
    60,268.41x = 90,330.93 × 45,428.40
  4. Step 4: Simplify right side
    60,268.41x = 4,103,589,620.41
  5. Step 5: Solve for x
    x = 4,103,589,620.41/60,268.41
  6. Step 6: Final answer
    x = 68,088.57

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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.