Home / 89,884.06-134,826.12-30,720.28

Finding the Fourth Proportional to 89,884.06, 134,826.12 and 30,720.28

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Solution

The fourth proportional to 89,884.06, 134,826.12 and 30,720.28 is: 46,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,884.06 : 134,826.12 = 30,720.28 : x
  2. Step 2: Convert to fraction form
    89,884.06/134,826.12 = 30,720.28/x
  3. Step 3: Cross multiply
    89,884.06x = 134,826.12 × 30,720.28
  4. Step 4: Simplify right side
    89,884.06x = 4,141,896,157.71
  5. Step 5: Solve for x
    x = 4,141,896,157.71/89,884.06
  6. Step 6: Final answer
    x = 46,080.43

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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.