Home / 103,637.75-155,530.47-44,490.35

Finding the Fourth Proportional to 103,637.75, 155,530.47 and 44,490.35

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Solution

The fourth proportional to 103,637.75, 155,530.47 and 44,490.35 is: 66,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.75 : 155,530.47 = 44,490.35 : x
  2. Step 2: Convert to fraction form
    103,637.75/155,530.47 = 44,490.35/x
  3. Step 3: Cross multiply
    103,637.75x = 155,530.47 × 44,490.35
  4. Step 4: Simplify right side
    103,637.75x = 6,919,605,045.96
  5. Step 5: Solve for x
    x = 6,919,605,045.96/103,637.75
  6. Step 6: Final answer
    x = 66,767.23

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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.