Home / 89,538.45-134,264.47-52,106.88

Finding the Fourth Proportional to 89,538.45, 134,264.47 and 52,106.88

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Solution

The fourth proportional to 89,538.45, 134,264.47 and 52,106.88 is: 78,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538.45 : 134,264.47 = 52,106.88 : x
  2. Step 2: Convert to fraction form
    89,538.45/134,264.47 = 52,106.88/x
  3. Step 3: Cross multiply
    89,538.45x = 134,264.47 × 52,106.88
  4. Step 4: Simplify right side
    89,538.45x = 6,996,102,626.55
  5. Step 5: Solve for x
    x = 6,996,102,626.55/89,538.45
  6. Step 6: Final answer
    x = 78,135.18

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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.