Home / 89,861.40-134,805.06-43,075.80

Finding the Fourth Proportional to 89,861.40, 134,805.06 and 43,075.80

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Solution

The fourth proportional to 89,861.40, 134,805.06 and 43,075.80 is: 64,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861.40 : 134,805.06 = 43,075.80 : x
  2. Step 2: Convert to fraction form
    89,861.40/134,805.06 = 43,075.80/x
  3. Step 3: Cross multiply
    89,861.40x = 134,805.06 × 43,075.80
  4. Step 4: Simplify right side
    89,861.40x = 5,806,835,803.55
  5. Step 5: Solve for x
    x = 5,806,835,803.55/89,861.40
  6. Step 6: Final answer
    x = 64,619.91

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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.