Home / 89,620.68-134,283.10-52,075.36

Finding the Fourth Proportional to 89,620.68, 134,283.10 and 52,075.36

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Solution

The fourth proportional to 89,620.68, 134,283.10 and 52,075.36 is: 78,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,620.68 : 134,283.10 = 52,075.36 : x
  2. Step 2: Convert to fraction form
    89,620.68/134,283.10 = 52,075.36/x
  3. Step 3: Cross multiply
    89,620.68x = 134,283.10 × 52,075.36
  4. Step 4: Simplify right side
    89,620.68x = 6,992,840,774.42
  5. Step 5: Solve for x
    x = 6,992,840,774.42/89,620.68
  6. Step 6: Final answer
    x = 78,027.09

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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.