Home / 82,075.53-113,316.94-51,490.55

Finding the Fourth Proportional to 82,075.53, 113,316.94 and 51,490.55

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Solution

The fourth proportional to 82,075.53, 113,316.94 and 51,490.55 is: 71,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,075.53 : 113,316.94 = 51,490.55 : x
  2. Step 2: Convert to fraction form
    82,075.53/113,316.94 = 51,490.55/x
  3. Step 3: Cross multiply
    82,075.53x = 113,316.94 × 51,490.55
  4. Step 4: Simplify right side
    82,075.53x = 5,834,751,564.92
  5. Step 5: Solve for x
    x = 5,834,751,564.92/82,075.53
  6. Step 6: Final answer
    x = 71,090.03

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1.5x scale

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.