Home / 89,528.64-134,205.46-39,621.28

Finding the Fourth Proportional to 89,528.64, 134,205.46 and 39,621.28

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Solution

The fourth proportional to 89,528.64, 134,205.46 and 39,621.28 is: 59,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,528.64 : 134,205.46 = 39,621.28 : x
  2. Step 2: Convert to fraction form
    89,528.64/134,205.46 = 39,621.28/x
  3. Step 3: Cross multiply
    89,528.64x = 134,205.46 × 39,621.28
  4. Step 4: Simplify right side
    89,528.64x = 5,317,392,108.19
  5. Step 5: Solve for x
    x = 5,317,392,108.19/89,528.64
  6. Step 6: Final answer
    x = 59,393.20

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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.