Home / 45,628.10-68,420.28-23,430.06

Finding the Fourth Proportional to 45,628.10, 68,420.28 and 23,430.06

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Solution

The fourth proportional to 45,628.10, 68,420.28 and 23,430.06 is: 35,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,628.10 : 68,420.28 = 23,430.06 : x
  2. Step 2: Convert to fraction form
    45,628.10/68,420.28 = 23,430.06/x
  3. Step 3: Cross multiply
    45,628.10x = 68,420.28 × 23,430.06
  4. Step 4: Simplify right side
    45,628.10x = 1,603,091,265.62
  5. Step 5: Solve for x
    x = 1,603,091,265.62/45,628.10
  6. Step 6: Final answer
    x = 35,133.86

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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.