Home / 103,783.50-155,564.55-44,623.80

Finding the Fourth Proportional to 103,783.50, 155,564.55 and 44,623.80

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Solution

The fourth proportional to 103,783.50, 155,564.55 and 44,623.80 is: 66,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,783.50 : 155,564.55 = 44,623.80 : x
  2. Step 2: Convert to fraction form
    103,783.50/155,564.55 = 44,623.80/x
  3. Step 3: Cross multiply
    103,783.50x = 155,564.55 × 44,623.80
  4. Step 4: Simplify right side
    103,783.50x = 6,941,881,366.29
  5. Step 5: Solve for x
    x = 6,941,881,366.29/103,783.50
  6. Step 6: Final answer
    x = 66,888.10

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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.