Home / 89,495.84-123,504.33-49,210.30

Finding the Fourth Proportional to 89,495.84, 123,504.33 and 49,210.30

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Solution

The fourth proportional to 89,495.84, 123,504.33 and 49,210.30 is: 67,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,495.84 : 123,504.33 = 49,210.30 : x
  2. Step 2: Convert to fraction form
    89,495.84/123,504.33 = 49,210.30/x
  3. Step 3: Cross multiply
    89,495.84x = 123,504.33 × 49,210.30
  4. Step 4: Simplify right side
    89,495.84x = 6,077,685,130.60
  5. Step 5: Solve for x
    x = 6,077,685,130.60/89,495.84
  6. Step 6: Final answer
    x = 67,910.25

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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.