Home / 89,559.32-134,079.60-67,465.76

Finding the Fourth Proportional to 89,559.32, 134,079.60 and 67,465.76

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Solution

The fourth proportional to 89,559.32, 134,079.60 and 67,465.76 is: 101,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,559.32 : 134,079.60 = 67,465.76 : x
  2. Step 2: Convert to fraction form
    89,559.32/134,079.60 = 67,465.76/x
  3. Step 3: Cross multiply
    89,559.32x = 134,079.60 × 67,465.76
  4. Step 4: Simplify right side
    89,559.32x = 9,045,782,114.50
  5. Step 5: Solve for x
    x = 9,045,782,114.50/89,559.32
  6. Step 6: Final answer
    x = 101,003.25

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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.