Home / 102,642.04-153,932.46-43,476.76

Finding the Fourth Proportional to 102,642.04, 153,932.46 and 43,476.76

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Solution

The fourth proportional to 102,642.04, 153,932.46 and 43,476.76 is: 65,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,642.04 : 153,932.46 = 43,476.76 : x
  2. Step 2: Convert to fraction form
    102,642.04/153,932.46 = 43,476.76/x
  3. Step 3: Cross multiply
    102,642.04x = 153,932.46 × 43,476.76
  4. Step 4: Simplify right side
    102,642.04x = 6,692,484,619.63
  5. Step 5: Solve for x
    x = 6,692,484,619.63/102,642.04
  6. Step 6: Final answer
    x = 65,202.18

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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.