Home / 105,184.02-145,172.64-62,161.68

Finding the Fourth Proportional to 105,184.02, 145,172.64 and 62,161.68

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Solution

The fourth proportional to 105,184.02, 145,172.64 and 62,161.68 is: 85,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,184.02 : 145,172.64 = 62,161.68 : x
  2. Step 2: Convert to fraction form
    105,184.02/145,172.64 = 62,161.68/x
  3. Step 3: Cross multiply
    105,184.02x = 145,172.64 × 62,161.68
  4. Step 4: Simplify right side
    105,184.02x = 9,024,175,192.44
  5. Step 5: Solve for x
    x = 9,024,175,192.44/105,184.02
  6. Step 6: Final answer
    x = 85,794.17

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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.