Home / 89,280.55-133,920.69-36,652.96

Finding the Fourth Proportional to 89,280.55, 133,920.69 and 36,652.96

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Solution

The fourth proportional to 89,280.55, 133,920.69 and 36,652.96 is: 54,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,280.55 : 133,920.69 = 36,652.96 : x
  2. Step 2: Convert to fraction form
    89,280.55/133,920.69 = 36,652.96/x
  3. Step 3: Cross multiply
    89,280.55x = 133,920.69 × 36,652.96
  4. Step 4: Simplify right side
    89,280.55x = 4,908,589,693.74
  5. Step 5: Solve for x
    x = 4,908,589,693.74/89,280.55
  6. Step 6: Final answer
    x = 54,979.38

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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.