Home / 103,631.13-155,446.70-33,510.45

Finding the Fourth Proportional to 103,631.13, 155,446.70 and 33,510.45

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Solution

The fourth proportional to 103,631.13, 155,446.70 and 33,510.45 is: 50,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.13 : 155,446.70 = 33,510.45 : x
  2. Step 2: Convert to fraction form
    103,631.13/155,446.70 = 33,510.45/x
  3. Step 3: Cross multiply
    103,631.13x = 155,446.70 × 33,510.45
  4. Step 4: Simplify right side
    103,631.13x = 5,209,088,868.02
  5. Step 5: Solve for x
    x = 5,209,088,868.02/103,631.13
  6. Step 6: Final answer
    x = 50,265.68

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1.5x scale

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.