Home / 102,460.24-153,684.15-38,405.76

Finding the Fourth Proportional to 102,460.24, 153,684.15 and 38,405.76

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Solution

The fourth proportional to 102,460.24, 153,684.15 and 38,405.76 is: 57,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,460.24 : 153,684.15 = 38,405.76 : x
  2. Step 2: Convert to fraction form
    102,460.24/153,684.15 = 38,405.76/x
  3. Step 3: Cross multiply
    102,460.24x = 153,684.15 × 38,405.76
  4. Step 4: Simplify right side
    102,460.24x = 5,902,356,580.70
  5. Step 5: Solve for x
    x = 5,902,356,580.70/102,460.24
  6. Step 6: Final answer
    x = 57,606.31

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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.