Home / 89,655.31-134,444.08-30,475.09

Finding the Fourth Proportional to 89,655.31, 134,444.08 and 30,475.09

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Solution

The fourth proportional to 89,655.31, 134,444.08 and 30,475.09 is: 45,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,655.31 : 134,444.08 = 30,475.09 : x
  2. Step 2: Convert to fraction form
    89,655.31/134,444.08 = 30,475.09/x
  3. Step 3: Cross multiply
    89,655.31x = 134,444.08 × 30,475.09
  4. Step 4: Simplify right side
    89,655.31x = 4,097,195,437.97
  5. Step 5: Solve for x
    x = 4,097,195,437.97/89,655.31
  6. Step 6: Final answer
    x = 45,699.42

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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.