Home / 70,821.34-106,232.02-23,423.72

Finding the Fourth Proportional to 70,821.34, 106,232.02 and 23,423.72

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Solution

The fourth proportional to 70,821.34, 106,232.02 and 23,423.72 is: 35,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,821.34 : 106,232.02 = 23,423.72 : x
  2. Step 2: Convert to fraction form
    70,821.34/106,232.02 = 23,423.72/x
  3. Step 3: Cross multiply
    70,821.34x = 106,232.02 × 23,423.72
  4. Step 4: Simplify right side
    70,821.34x = 2,488,349,091.51
  5. Step 5: Solve for x
    x = 2,488,349,091.51/70,821.34
  6. Step 6: Final answer
    x = 35,135.58

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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.