Home / 93,324.64-128,799.10-58,919.36

Finding the Fourth Proportional to 93,324.64, 128,799.10 and 58,919.36

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Solution

The fourth proportional to 93,324.64, 128,799.10 and 58,919.36 is: 81,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,324.64 : 128,799.10 = 58,919.36 : x
  2. Step 2: Convert to fraction form
    93,324.64/128,799.10 = 58,919.36/x
  3. Step 3: Cross multiply
    93,324.64x = 128,799.10 × 58,919.36
  4. Step 4: Simplify right side
    93,324.64x = 7,588,760,540.58
  5. Step 5: Solve for x
    x = 7,588,760,540.58/93,324.64
  6. Step 6: Final answer
    x = 81,315.72

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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.