Home / 82,094.90-122,902.40-74,215.53

Finding the Fourth Proportional to 82,094.90, 122,902.40 and 74,215.53

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Solution

The fourth proportional to 82,094.90, 122,902.40 and 74,215.53 is: 111,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,094.90 : 122,902.40 = 74,215.53 : x
  2. Step 2: Convert to fraction form
    82,094.90/122,902.40 = 74,215.53/x
  3. Step 3: Cross multiply
    82,094.90x = 122,902.40 × 74,215.53
  4. Step 4: Simplify right side
    82,094.90x = 9,121,266,383.19
  5. Step 5: Solve for x
    x = 9,121,266,383.19/82,094.90
  6. Step 6: Final answer
    x = 111,106.38

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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.