Home / 90,879.64-136,298.26-34,699.12

Finding the Fourth Proportional to 90,879.64, 136,298.26 and 34,699.12

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Solution

The fourth proportional to 90,879.64, 136,298.26 and 34,699.12 is: 52,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,879.64 : 136,298.26 = 34,699.12 : x
  2. Step 2: Convert to fraction form
    90,879.64/136,298.26 = 34,699.12/x
  3. Step 3: Cross multiply
    90,879.64x = 136,298.26 × 34,699.12
  4. Step 4: Simplify right side
    90,879.64x = 4,729,429,679.53
  5. Step 5: Solve for x
    x = 4,729,429,679.53/90,879.64
  6. Step 6: Final answer
    x = 52,040.59

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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.