Home / 108,975.48-163,472.64-30,089.76

Finding the Fourth Proportional to 108,975.48, 163,472.64 and 30,089.76

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Solution

The fourth proportional to 108,975.48, 163,472.64 and 30,089.76 is: 45,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,975.48 : 163,472.64 = 30,089.76 : x
  2. Step 2: Convert to fraction form
    108,975.48/163,472.64 = 30,089.76/x
  3. Step 3: Cross multiply
    108,975.48x = 163,472.64 × 30,089.76
  4. Step 4: Simplify right side
    108,975.48x = 4,918,852,504.17
  5. Step 5: Solve for x
    x = 4,918,852,504.17/108,975.48
  6. Step 6: Final answer
    x = 45,137.24

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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.