Home / 83,228.36-124,784.22-30,631.01

Finding the Fourth Proportional to 83,228.36, 124,784.22 and 30,631.01

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Solution

The fourth proportional to 83,228.36, 124,784.22 and 30,631.01 is: 45,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,228.36 : 124,784.22 = 30,631.01 : x
  2. Step 2: Convert to fraction form
    83,228.36/124,784.22 = 30,631.01/x
  3. Step 3: Cross multiply
    83,228.36x = 124,784.22 × 30,631.01
  4. Step 4: Simplify right side
    83,228.36x = 3,822,266,690.66
  5. Step 5: Solve for x
    x = 3,822,266,690.66/83,228.36
  6. Step 6: Final answer
    x = 45,925.05

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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.