Home / 102,279.66-153,409.77-35,707.38

Finding the Fourth Proportional to 102,279.66, 153,409.77 and 35,707.38

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Solution

The fourth proportional to 102,279.66, 153,409.77 and 35,707.38 is: 53,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,279.66 : 153,409.77 = 35,707.38 : x
  2. Step 2: Convert to fraction form
    102,279.66/153,409.77 = 35,707.38/x
  3. Step 3: Cross multiply
    102,279.66x = 153,409.77 × 35,707.38
  4. Step 4: Simplify right side
    102,279.66x = 5,477,860,953.10
  5. Step 5: Solve for x
    x = 5,477,860,953.10/102,279.66
  6. Step 6: Final answer
    x = 53,557.68

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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.