Home / 102,470.47-153,688.30-27,573.91

Finding the Fourth Proportional to 102,470.47, 153,688.30 and 27,573.91

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Solution

The fourth proportional to 102,470.47, 153,688.30 and 27,573.91 is: 41,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,470.47 : 153,688.30 = 27,573.91 : x
  2. Step 2: Convert to fraction form
    102,470.47/153,688.30 = 27,573.91/x
  3. Step 3: Cross multiply
    102,470.47x = 153,688.30 × 27,573.91
  4. Step 4: Simplify right side
    102,470.47x = 4,237,786,899.10
  5. Step 5: Solve for x
    x = 4,237,786,899.10/102,470.47
  6. Step 6: Final answer
    x = 41,356.18

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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.