Home / 115,806.27-159,837.56-70,499.19

Finding the Fourth Proportional to 115,806.27, 159,837.56 and 70,499.19

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Solution

The fourth proportional to 115,806.27, 159,837.56 and 70,499.19 is: 97,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,806.27 : 159,837.56 = 70,499.19 : x
  2. Step 2: Convert to fraction form
    115,806.27/159,837.56 = 70,499.19/x
  3. Step 3: Cross multiply
    115,806.27x = 159,837.56 × 70,499.19
  4. Step 4: Simplify right side
    115,806.27x = 11,268,418,423.45
  5. Step 5: Solve for x
    x = 11,268,418,423.45/115,806.27
  6. Step 6: Final answer
    x = 97,304.04

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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.