Home / 93,782.10-129,479.68-83,693.22

Finding the Fourth Proportional to 93,782.10, 129,479.68 and 83,693.22

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Solution

The fourth proportional to 93,782.10, 129,479.68 and 83,693.22 is: 115,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,782.10 : 129,479.68 = 83,693.22 : x
  2. Step 2: Convert to fraction form
    93,782.10/129,479.68 = 83,693.22/x
  3. Step 3: Cross multiply
    93,782.10x = 129,479.68 × 83,693.22
  4. Step 4: Simplify right side
    93,782.10x = 10,836,570,962.84
  5. Step 5: Solve for x
    x = 10,836,570,962.84/93,782.10
  6. Step 6: Final answer
    x = 115,550.52

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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.