Home / 74,027.49-102,160.56-42,191.25

Finding the Fourth Proportional to 74,027.49, 102,160.56 and 42,191.25

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Solution

The fourth proportional to 74,027.49, 102,160.56 and 42,191.25 is: 58,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,027.49 : 102,160.56 = 42,191.25 : x
  2. Step 2: Convert to fraction form
    74,027.49/102,160.56 = 42,191.25/x
  3. Step 3: Cross multiply
    74,027.49x = 102,160.56 × 42,191.25
  4. Step 4: Simplify right side
    74,027.49x = 4,310,281,727.10
  5. Step 5: Solve for x
    x = 4,310,281,727.10/74,027.49
  6. Step 6: Final answer
    x = 58,225.42

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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.