Home / 82,904.33-124,365.60-30,325.20

Finding the Fourth Proportional to 82,904.33, 124,365.60 and 30,325.20

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Solution

The fourth proportional to 82,904.33, 124,365.60 and 30,325.20 is: 45,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,904.33 : 124,365.60 = 30,325.20 : x
  2. Step 2: Convert to fraction form
    82,904.33/124,365.60 = 30,325.20/x
  3. Step 3: Cross multiply
    82,904.33x = 124,365.60 × 30,325.20
  4. Step 4: Simplify right side
    82,904.33x = 3,771,411,693.12
  5. Step 5: Solve for x
    x = 3,771,411,693.12/82,904.33
  6. Step 6: Final answer
    x = 45,491.13

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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.