Home / 89,627.40-134,441.10-30,529.80

Finding the Fourth Proportional to 89,627.40, 134,441.10 and 30,529.80

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Solution

The fourth proportional to 89,627.40, 134,441.10 and 30,529.80 is: 45,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,627.40 : 134,441.10 = 30,529.80 : x
  2. Step 2: Convert to fraction form
    89,627.40/134,441.10 = 30,529.80/x
  3. Step 3: Cross multiply
    89,627.40x = 134,441.10 × 30,529.80
  4. Step 4: Simplify right side
    89,627.40x = 4,104,459,894.78
  5. Step 5: Solve for x
    x = 4,104,459,894.78/89,627.40
  6. Step 6: Final answer
    x = 45,794.70

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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.