Home / 89,904.90-134,857.35-56,727.30

Finding the Fourth Proportional to 89,904.90, 134,857.35 and 56,727.30

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Solution

The fourth proportional to 89,904.90, 134,857.35 and 56,727.30 is: 85,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,904.90 : 134,857.35 = 56,727.30 : x
  2. Step 2: Convert to fraction form
    89,904.90/134,857.35 = 56,727.30/x
  3. Step 3: Cross multiply
    89,904.90x = 134,857.35 × 56,727.30
  4. Step 4: Simplify right side
    89,904.90x = 7,650,093,350.66
  5. Step 5: Solve for x
    x = 7,650,093,350.66/89,904.90
  6. Step 6: Final answer
    x = 85,090.95

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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.