Home / 74,343.40-102,594.03-42,512.29

Finding the Fourth Proportional to 74,343.40, 102,594.03 and 42,512.29

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Solution

The fourth proportional to 74,343.40, 102,594.03 and 42,512.29 is: 58,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343.40 : 102,594.03 = 42,512.29 : x
  2. Step 2: Convert to fraction form
    74,343.40/102,594.03 = 42,512.29/x
  3. Step 3: Cross multiply
    74,343.40x = 102,594.03 × 42,512.29
  4. Step 4: Simplify right side
    74,343.40x = 4,361,506,739.72
  5. Step 5: Solve for x
    x = 4,361,506,739.72/74,343.40
  6. Step 6: Final answer
    x = 58,667.04

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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.