Home / 115,007.77-158,714.25-62,623.21

Finding the Fourth Proportional to 115,007.77, 158,714.25 and 62,623.21

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Solution

The fourth proportional to 115,007.77, 158,714.25 and 62,623.21 is: 86,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,007.77 : 158,714.25 = 62,623.21 : x
  2. Step 2: Convert to fraction form
    115,007.77/158,714.25 = 62,623.21/x
  3. Step 3: Cross multiply
    115,007.77x = 158,714.25 × 62,623.21
  4. Step 4: Simplify right side
    115,007.77x = 9,939,195,807.74
  5. Step 5: Solve for x
    x = 9,939,195,807.74/115,007.77
  6. Step 6: Final answer
    x = 86,421.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.