Home / 74,749.04-103,153.12-41,215.04

Finding the Fourth Proportional to 74,749.04, 103,153.12 and 41,215.04

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Solution

The fourth proportional to 74,749.04, 103,153.12 and 41,215.04 is: 56,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749.04 : 103,153.12 = 41,215.04 : x
  2. Step 2: Convert to fraction form
    74,749.04/103,153.12 = 41,215.04/x
  3. Step 3: Cross multiply
    74,749.04x = 103,153.12 × 41,215.04
  4. Step 4: Simplify right side
    74,749.04x = 4,251,459,966.92
  5. Step 5: Solve for x
    x = 4,251,459,966.92/74,749.04
  6. Step 6: Final answer
    x = 56,876.45

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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.