Home / 55,339.13-76,368.02-31,467.27

Finding the Fourth Proportional to 55,339.13, 76,368.02 and 31,467.27

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Solution

The fourth proportional to 55,339.13, 76,368.02 and 31,467.27 is: 43,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.13 : 76,368.02 = 31,467.27 : x
  2. Step 2: Convert to fraction form
    55,339.13/76,368.02 = 31,467.27/x
  3. Step 3: Cross multiply
    55,339.13x = 76,368.02 × 31,467.27
  4. Step 4: Simplify right side
    55,339.13x = 2,403,092,947.37
  5. Step 5: Solve for x
    x = 2,403,092,947.37/55,339.13
  6. Step 6: Final answer
    x = 43,424.85

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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.