Home / 93,290.64-139,966.20-55,844.88

Finding the Fourth Proportional to 93,290.64, 139,966.20 and 55,844.88

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Solution

The fourth proportional to 93,290.64, 139,966.20 and 55,844.88 is: 83,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,290.64 : 139,966.20 = 55,844.88 : x
  2. Step 2: Convert to fraction form
    93,290.64/139,966.20 = 55,844.88/x
  3. Step 3: Cross multiply
    93,290.64x = 139,966.20 × 55,844.88
  4. Step 4: Simplify right side
    93,290.64x = 7,816,395,643.06
  5. Step 5: Solve for x
    x = 7,816,395,643.06/93,290.64
  6. Step 6: Final answer
    x = 83,785.42

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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.