Home / 103,890.15-155,837.66-37,335.15

Finding the Fourth Proportional to 103,890.15, 155,837.66 and 37,335.15

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Solution

The fourth proportional to 103,890.15, 155,837.66 and 37,335.15 is: 56,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,890.15 : 155,837.66 = 37,335.15 : x
  2. Step 2: Convert to fraction form
    103,890.15/155,837.66 = 37,335.15/x
  3. Step 3: Cross multiply
    103,890.15x = 155,837.66 × 37,335.15
  4. Step 4: Simplify right side
    103,890.15x = 5,818,222,225.07
  5. Step 5: Solve for x
    x = 5,818,222,225.07/103,890.15
  6. Step 6: Final answer
    x = 56,003.60

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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.