Home / 82,075.04-123,343.40-48,801.04

Finding the Fourth Proportional to 82,075.04, 123,343.40 and 48,801.04

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Solution

The fourth proportional to 82,075.04, 123,343.40 and 48,801.04 is: 73,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,075.04 : 123,343.40 = 48,801.04 : x
  2. Step 2: Convert to fraction form
    82,075.04/123,343.40 = 48,801.04/x
  3. Step 3: Cross multiply
    82,075.04x = 123,343.40 × 48,801.04
  4. Step 4: Simplify right side
    82,075.04x = 6,019,286,197.14
  5. Step 5: Solve for x
    x = 6,019,286,197.14/82,075.04
  6. Step 6: Final answer
    x = 73,338.82

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1.5x scale

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.