Home / 89,622.40-134,433.60-56,444.80

Finding the Fourth Proportional to 89,622.40, 134,433.60 and 56,444.80

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Solution

The fourth proportional to 89,622.40, 134,433.60 and 56,444.80 is: 84,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,622.40 : 134,433.60 = 56,444.80 : x
  2. Step 2: Convert to fraction form
    89,622.40/134,433.60 = 56,444.80/x
  3. Step 3: Cross multiply
    89,622.40x = 134,433.60 × 56,444.80
  4. Step 4: Simplify right side
    89,622.40x = 7,588,077,665.28
  5. Step 5: Solve for x
    x = 7,588,077,665.28/89,622.40
  6. Step 6: Final answer
    x = 84,667.20

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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.