Home / 90,588.64-135,630.88-46,119.52

Finding the Fourth Proportional to 90,588.64, 135,630.88 and 46,119.52

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Solution

The fourth proportional to 90,588.64, 135,630.88 and 46,119.52 is: 69,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,588.64 : 135,630.88 = 46,119.52 : x
  2. Step 2: Convert to fraction form
    90,588.64/135,630.88 = 46,119.52/x
  3. Step 3: Cross multiply
    90,588.64x = 135,630.88 × 46,119.52
  4. Step 4: Simplify right side
    90,588.64x = 6,255,231,082.78
  5. Step 5: Solve for x
    x = 6,255,231,082.78/90,588.64
  6. Step 6: Final answer
    x = 69,050.94

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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.