Home / 90,045.67-135,026.11-52,616.54

Finding the Fourth Proportional to 90,045.67, 135,026.11 and 52,616.54

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Solution

The fourth proportional to 90,045.67, 135,026.11 and 52,616.54 is: 78,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,045.67 : 135,026.11 = 52,616.54 : x
  2. Step 2: Convert to fraction form
    90,045.67/135,026.11 = 52,616.54/x
  3. Step 3: Cross multiply
    90,045.67x = 135,026.11 × 52,616.54
  4. Step 4: Simplify right side
    90,045.67x = 7,104,606,717.86
  5. Step 5: Solve for x
    x = 7,104,606,717.86/90,045.67
  6. Step 6: Final answer
    x = 78,900.04

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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.