Home / 61,812.90-92,620.35-60,172.74

Finding the Fourth Proportional to 61,812.90, 92,620.35 and 60,172.74

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Solution

The fourth proportional to 61,812.90, 92,620.35 and 60,172.74 is: 90,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.90 : 92,620.35 = 60,172.74 : x
  2. Step 2: Convert to fraction form
    61,812.90/92,620.35 = 60,172.74/x
  3. Step 3: Cross multiply
    61,812.90x = 92,620.35 × 60,172.74
  4. Step 4: Simplify right side
    61,812.90x = 5,573,220,239.26
  5. Step 5: Solve for x
    x = 5,573,220,239.26/61,812.90
  6. Step 6: Final answer
    x = 90,162.74

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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.