Home / 75,220.24-103,774.96-42,956.72

Finding the Fourth Proportional to 75,220.24, 103,774.96 and 42,956.72

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Solution

The fourth proportional to 75,220.24, 103,774.96 and 42,956.72 is: 59,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,220.24 : 103,774.96 = 42,956.72 : x
  2. Step 2: Convert to fraction form
    75,220.24/103,774.96 = 42,956.72/x
  3. Step 3: Cross multiply
    75,220.24x = 103,774.96 × 42,956.72
  4. Step 4: Simplify right side
    75,220.24x = 4,457,831,899.73
  5. Step 5: Solve for x
    x = 4,457,831,899.73/75,220.24
  6. Step 6: Final answer
    x = 59,263.73

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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.