Home / 98,075.79-135,340.61-55,633.41

Finding the Fourth Proportional to 98,075.79, 135,340.61 and 55,633.41

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Solution

The fourth proportional to 98,075.79, 135,340.61 and 55,633.41 is: 76,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,075.79 : 135,340.61 = 55,633.41 : x
  2. Step 2: Convert to fraction form
    98,075.79/135,340.61 = 55,633.41/x
  3. Step 3: Cross multiply
    98,075.79x = 135,340.61 × 55,633.41
  4. Step 4: Simplify right side
    98,075.79x = 7,529,459,367.61
  5. Step 5: Solve for x
    x = 7,529,459,367.61/98,075.79
  6. Step 6: Final answer
    x = 76,771.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.