Home / 89,495.34-123,503.64-49,209.80

Finding the Fourth Proportional to 89,495.34, 123,503.64 and 49,209.80

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Solution

The fourth proportional to 89,495.34, 123,503.64 and 49,209.80 is: 67,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,495.34 : 123,503.64 = 49,209.80 : x
  2. Step 2: Convert to fraction form
    89,495.34/123,503.64 = 49,209.80/x
  3. Step 3: Cross multiply
    89,495.34x = 123,503.64 × 49,209.80
  4. Step 4: Simplify right side
    89,495.34x = 6,077,589,423.67
  5. Step 5: Solve for x
    x = 6,077,589,423.67/89,495.34
  6. Step 6: Final answer
    x = 67,909.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.