Home / 103,582.73-155,456.10-40,433.10

Finding the Fourth Proportional to 103,582.73, 155,456.10 and 40,433.10

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Solution

The fourth proportional to 103,582.73, 155,456.10 and 40,433.10 is: 60,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,582.73 : 155,456.10 = 40,433.10 : x
  2. Step 2: Convert to fraction form
    103,582.73/155,456.10 = 40,433.10/x
  3. Step 3: Cross multiply
    103,582.73x = 155,456.10 × 40,433.10
  4. Step 4: Simplify right side
    103,582.73x = 6,285,572,036.91
  5. Step 5: Solve for x
    x = 6,285,572,036.91/103,582.73
  6. Step 6: Final answer
    x = 60,681.66

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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.