Home / 102,389.16-153,573.35-27,499.58

Finding the Fourth Proportional to 102,389.16, 153,573.35 and 27,499.58

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Solution

The fourth proportional to 102,389.16, 153,573.35 and 27,499.58 is: 41,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,389.16 : 153,573.35 = 27,499.58 : x
  2. Step 2: Convert to fraction form
    102,389.16/153,573.35 = 27,499.58/x
  3. Step 3: Cross multiply
    102,389.16x = 153,573.35 × 27,499.58
  4. Step 4: Simplify right side
    102,389.16x = 4,223,201,718.83
  5. Step 5: Solve for x
    x = 4,223,201,718.83/102,389.16
  6. Step 6: Final answer
    x = 41,246.57

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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.