Home / 89,962.04-135,025.38-45,619.40

Finding the Fourth Proportional to 89,962.04, 135,025.38 and 45,619.40

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Solution

The fourth proportional to 89,962.04, 135,025.38 and 45,619.40 is: 68,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,962.04 : 135,025.38 = 45,619.40 : x
  2. Step 2: Convert to fraction form
    89,962.04/135,025.38 = 45,619.40/x
  3. Step 3: Cross multiply
    89,962.04x = 135,025.38 × 45,619.40
  4. Step 4: Simplify right side
    89,962.04x = 6,159,777,157.94
  5. Step 5: Solve for x
    x = 6,159,777,157.94/89,962.04
  6. Step 6: Final answer
    x = 68,470.85

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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.