Home / 82,473.58-123,649.81-26,281.35

Finding the Fourth Proportional to 82,473.58, 123,649.81 and 26,281.35

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Solution

The fourth proportional to 82,473.58, 123,649.81 and 26,281.35 is: 39,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,473.58 : 123,649.81 = 26,281.35 : x
  2. Step 2: Convert to fraction form
    82,473.58/123,649.81 = 26,281.35/x
  3. Step 3: Cross multiply
    82,473.58x = 123,649.81 × 26,281.35
  4. Step 4: Simplify right side
    82,473.58x = 3,249,683,934.04
  5. Step 5: Solve for x
    x = 3,249,683,934.04/82,473.58
  6. Step 6: Final answer
    x = 39,402.73

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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.