Home / 102,453.16-153,684.54-49,799.88

Finding the Fourth Proportional to 102,453.16, 153,684.54 and 49,799.88

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Solution

The fourth proportional to 102,453.16, 153,684.54 and 49,799.88 is: 74,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,453.16 : 153,684.54 = 49,799.88 : x
  2. Step 2: Convert to fraction form
    102,453.16/153,684.54 = 49,799.88/x
  3. Step 3: Cross multiply
    102,453.16x = 153,684.54 × 49,799.88
  4. Step 4: Simplify right side
    102,453.16x = 7,653,471,649.86
  5. Step 5: Solve for x
    x = 7,653,471,649.86/102,453.16
  6. Step 6: Final answer
    x = 74,702.15

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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.