Home / 89,405.64-134,108.46-58,437.72

Finding the Fourth Proportional to 89,405.64, 134,108.46 and 58,437.72

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Solution

The fourth proportional to 89,405.64, 134,108.46 and 58,437.72 is: 87,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,405.64 : 134,108.46 = 58,437.72 : x
  2. Step 2: Convert to fraction form
    89,405.64/134,108.46 = 58,437.72/x
  3. Step 3: Cross multiply
    89,405.64x = 134,108.46 × 58,437.72
  4. Step 4: Simplify right side
    89,405.64x = 7,836,992,635.11
  5. Step 5: Solve for x
    x = 7,836,992,635.11/89,405.64
  6. Step 6: Final answer
    x = 87,656.58

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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.