Home / 79,525.11-109,663.28-52,657.81

Finding the Fourth Proportional to 79,525.11, 109,663.28 and 52,657.81

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Solution

The fourth proportional to 79,525.11, 109,663.28 and 52,657.81 is: 72,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,525.11 : 109,663.28 = 52,657.81 : x
  2. Step 2: Convert to fraction form
    79,525.11/109,663.28 = 52,657.81/x
  3. Step 3: Cross multiply
    79,525.11x = 109,663.28 × 52,657.81
  4. Step 4: Simplify right side
    79,525.11x = 5,774,628,735.29
  5. Step 5: Solve for x
    x = 5,774,628,735.29/79,525.11
  6. Step 6: Final answer
    x = 72,613.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.