Home / 89,869.56-134,804.34-30,705.72

Finding the Fourth Proportional to 89,869.56, 134,804.34 and 30,705.72

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Solution

The fourth proportional to 89,869.56, 134,804.34 and 30,705.72 is: 46,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,869.56 : 134,804.34 = 30,705.72 : x
  2. Step 2: Convert to fraction form
    89,869.56/134,804.34 = 30,705.72/x
  3. Step 3: Cross multiply
    89,869.56x = 134,804.34 × 30,705.72
  4. Step 4: Simplify right side
    89,869.56x = 4,139,264,318.82
  5. Step 5: Solve for x
    x = 4,139,264,318.82/89,869.56
  6. Step 6: Final answer
    x = 46,058.58

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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.