Home / 102,623.64-153,809.72-58,287.72

Finding the Fourth Proportional to 102,623.64, 153,809.72 and 58,287.72

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Solution

The fourth proportional to 102,623.64, 153,809.72 and 58,287.72 is: 87,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.64 : 153,809.72 = 58,287.72 : x
  2. Step 2: Convert to fraction form
    102,623.64/153,809.72 = 58,287.72/x
  3. Step 3: Cross multiply
    102,623.64x = 153,809.72 × 58,287.72
  4. Step 4: Simplify right side
    102,623.64x = 8,965,217,892.64
  5. Step 5: Solve for x
    x = 8,965,217,892.64/102,623.64
  6. Step 6: Final answer
    x = 87,360.16

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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.