Home / 70,492.18-105,761.96-26,122.50

Finding the Fourth Proportional to 70,492.18, 105,761.96 and 26,122.50

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Solution

The fourth proportional to 70,492.18, 105,761.96 and 26,122.50 is: 39,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,492.18 : 105,761.96 = 26,122.50 : x
  2. Step 2: Convert to fraction form
    70,492.18/105,761.96 = 26,122.50/x
  3. Step 3: Cross multiply
    70,492.18x = 105,761.96 × 26,122.50
  4. Step 4: Simplify right side
    70,492.18x = 2,762,766,800.10
  5. Step 5: Solve for x
    x = 2,762,766,800.10/70,492.18
  6. Step 6: Final answer
    x = 39,192.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.