Home / 103,522.63-155,320.40-50,969.02

Finding the Fourth Proportional to 103,522.63, 155,320.40 and 50,969.02

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Solution

The fourth proportional to 103,522.63, 155,320.40 and 50,969.02 is: 76,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,522.63 : 155,320.40 = 50,969.02 : x
  2. Step 2: Convert to fraction form
    103,522.63/155,320.40 = 50,969.02/x
  3. Step 3: Cross multiply
    103,522.63x = 155,320.40 × 50,969.02
  4. Step 4: Simplify right side
    103,522.63x = 7,916,528,574.01
  5. Step 5: Solve for x
    x = 7,916,528,574.01/103,522.63
  6. Step 6: Final answer
    x = 76,471.48

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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.