Home / 117,092.13-175,638.65-28,345.49

Finding the Fourth Proportional to 117,092.13, 175,638.65 and 28,345.49

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Solution

The fourth proportional to 117,092.13, 175,638.65 and 28,345.49 is: 42,518.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,092.13 : 175,638.65 = 28,345.49 : x
  2. Step 2: Convert to fraction form
    117,092.13/175,638.65 = 28,345.49/x
  3. Step 3: Cross multiply
    117,092.13x = 175,638.65 × 28,345.49
  4. Step 4: Simplify right side
    117,092.13x = 4,978,563,597.19
  5. Step 5: Solve for x
    x = 4,978,563,597.19/117,092.13
  6. Step 6: Final answer
    x = 42,518.35

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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.