Home / 113,070.66-169,601.76-45,631.86

Finding the Fourth Proportional to 113,070.66, 169,601.76 and 45,631.86

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Solution

The fourth proportional to 113,070.66, 169,601.76 and 45,631.86 is: 68,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,070.66 : 169,601.76 = 45,631.86 : x
  2. Step 2: Convert to fraction form
    113,070.66/169,601.76 = 45,631.86/x
  3. Step 3: Cross multiply
    113,070.66x = 169,601.76 × 45,631.86
  4. Step 4: Simplify right side
    113,070.66x = 7,739,243,768.07
  5. Step 5: Solve for x
    x = 7,739,243,768.07/113,070.66
  6. Step 6: Final answer
    x = 68,446.08

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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.