Home / 89,655.20-134,425.20-37,085.60

Finding the Fourth Proportional to 89,655.20, 134,425.20 and 37,085.60

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Solution

The fourth proportional to 89,655.20, 134,425.20 and 37,085.60 is: 55,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,655.20 : 134,425.20 = 37,085.60 : x
  2. Step 2: Convert to fraction form
    89,655.20/134,425.20 = 37,085.60/x
  3. Step 3: Cross multiply
    89,655.20x = 134,425.20 × 37,085.60
  4. Step 4: Simplify right side
    89,655.20x = 4,985,239,197.12
  5. Step 5: Solve for x
    x = 4,985,239,197.12/89,655.20
  6. Step 6: Final answer
    x = 55,604.57

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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.