Home / 103,637.15-155,455.73-37,079.45

Finding the Fourth Proportional to 103,637.15, 155,455.73 and 37,079.45

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Solution

The fourth proportional to 103,637.15, 155,455.73 and 37,079.45 is: 55,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.15 : 155,455.73 = 37,079.45 : x
  2. Step 2: Convert to fraction form
    103,637.15/155,455.73 = 37,079.45/x
  3. Step 3: Cross multiply
    103,637.15x = 155,455.73 × 37,079.45
  4. Step 4: Simplify right side
    103,637.15x = 5,764,212,967.75
  5. Step 5: Solve for x
    x = 5,764,212,967.75/103,637.15
  6. Step 6: Final answer
    x = 55,619.18

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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.