Home / 93,660.48-128,991.36-93,375.36

Finding the Fourth Proportional to 93,660.48, 128,991.36 and 93,375.36

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Solution

The fourth proportional to 93,660.48, 128,991.36 and 93,375.36 is: 128,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,660.48 : 128,991.36 = 93,375.36 : x
  2. Step 2: Convert to fraction form
    93,660.48/128,991.36 = 93,375.36/x
  3. Step 3: Cross multiply
    93,660.48x = 128,991.36 × 93,375.36
  4. Step 4: Simplify right side
    93,660.48x = 12,044,614,676.89
  5. Step 5: Solve for x
    x = 12,044,614,676.89/93,660.48
  6. Step 6: Final answer
    x = 128,598.69

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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.