Home / 98,996.64-148,508.40-28,875.36

Finding the Fourth Proportional to 98,996.64, 148,508.40 and 28,875.36

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Solution

The fourth proportional to 98,996.64, 148,508.40 and 28,875.36 is: 43,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,996.64 : 148,508.40 = 28,875.36 : x
  2. Step 2: Convert to fraction form
    98,996.64/148,508.40 = 28,875.36/x
  3. Step 3: Cross multiply
    98,996.64x = 148,508.40 × 28,875.36
  4. Step 4: Simplify right side
    98,996.64x = 4,288,233,513.02
  5. Step 5: Solve for x
    x = 4,288,233,513.02/98,996.64
  6. Step 6: Final answer
    x = 43,316.96

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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.