Home / 58,479.09-87,717.86-14,105.51

Finding the Fourth Proportional to 58,479.09, 87,717.86 and 14,105.51

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Solution

The fourth proportional to 58,479.09, 87,717.86 and 14,105.51 is: 21,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,479.09 : 87,717.86 = 14,105.51 : x
  2. Step 2: Convert to fraction form
    58,479.09/87,717.86 = 14,105.51/x
  3. Step 3: Cross multiply
    58,479.09x = 87,717.86 × 14,105.51
  4. Step 4: Simplify right side
    58,479.09x = 1,237,305,151.41
  5. Step 5: Solve for x
    x = 1,237,305,151.41/58,479.09
  6. Step 6: Final answer
    x = 21,158.08

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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.