Home / 89,840.32-134,723.36-30,680.76

Finding the Fourth Proportional to 89,840.32, 134,723.36 and 30,680.76

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Solution

The fourth proportional to 89,840.32, 134,723.36 and 30,680.76 is: 46,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,840.32 : 134,723.36 = 30,680.76 : x
  2. Step 2: Convert to fraction form
    89,840.32/134,723.36 = 30,680.76/x
  3. Step 3: Cross multiply
    89,840.32x = 134,723.36 × 30,680.76
  4. Step 4: Simplify right side
    89,840.32x = 4,133,415,074.55
  5. Step 5: Solve for x
    x = 4,133,415,074.55/89,840.32
  6. Step 6: Final answer
    x = 46,008.46

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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.