Home / 74,026.50-102,159.18-42,190.26

Finding the Fourth Proportional to 74,026.50, 102,159.18 and 42,190.26

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Solution

The fourth proportional to 74,026.50, 102,159.18 and 42,190.26 is: 58,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,026.50 : 102,159.18 = 42,190.26 : x
  2. Step 2: Convert to fraction form
    74,026.50/102,159.18 = 42,190.26/x
  3. Step 3: Cross multiply
    74,026.50x = 102,159.18 × 42,190.26
  4. Step 4: Simplify right side
    74,026.50x = 4,310,122,365.59
  5. Step 5: Solve for x
    x = 4,310,122,365.59/74,026.50
  6. Step 6: Final answer
    x = 58,224.05

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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.