Home / 55,600.04-76,726.64-31,071.06

Finding the Fourth Proportional to 55,600.04, 76,726.64 and 31,071.06

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Solution

The fourth proportional to 55,600.04, 76,726.64 and 31,071.06 is: 42,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.04 : 76,726.64 = 31,071.06 : x
  2. Step 2: Convert to fraction form
    55,600.04/76,726.64 = 31,071.06/x
  3. Step 3: Cross multiply
    55,600.04x = 76,726.64 × 31,071.06
  4. Step 4: Simplify right side
    55,600.04x = 2,383,977,879.68
  5. Step 5: Solve for x
    x = 2,383,977,879.68/55,600.04
  6. Step 6: Final answer
    x = 42,877.27

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1.5x scale

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.