Home / 74,353.72-102,608.10-42,522.28

Finding the Fourth Proportional to 74,353.72, 102,608.10 and 42,522.28

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Solution

The fourth proportional to 74,353.72, 102,608.10 and 42,522.28 is: 58,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,353.72 : 102,608.10 = 42,522.28 : x
  2. Step 2: Convert to fraction form
    74,353.72/102,608.10 = 42,522.28/x
  3. Step 3: Cross multiply
    74,353.72x = 102,608.10 × 42,522.28
  4. Step 4: Simplify right side
    74,353.72x = 4,363,130,358.47
  5. Step 5: Solve for x
    x = 4,363,130,358.47/74,353.72
  6. Step 6: Final answer
    x = 58,680.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.