Home / 82,940.04-114,457.16-45,214.28

Finding the Fourth Proportional to 82,940.04, 114,457.16 and 45,214.28

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Solution

The fourth proportional to 82,940.04, 114,457.16 and 45,214.28 is: 62,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,940.04 : 114,457.16 = 45,214.28 : x
  2. Step 2: Convert to fraction form
    82,940.04/114,457.16 = 45,214.28/x
  3. Step 3: Cross multiply
    82,940.04x = 114,457.16 × 45,214.28
  4. Step 4: Simplify right side
    82,940.04x = 5,175,098,080.24
  5. Step 5: Solve for x
    x = 5,175,098,080.24/82,940.04
  6. Step 6: Final answer
    x = 62,395.65

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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.