Home / 55,027.64-75,937.56-31,154.24

Finding the Fourth Proportional to 55,027.64, 75,937.56 and 31,154.24

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Solution

The fourth proportional to 55,027.64, 75,937.56 and 31,154.24 is: 42,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.64 : 75,937.56 = 31,154.24 : x
  2. Step 2: Convert to fraction form
    55,027.64/75,937.56 = 31,154.24/x
  3. Step 3: Cross multiply
    55,027.64x = 75,937.56 × 31,154.24
  4. Step 4: Simplify right side
    55,027.64x = 2,365,776,969.25
  5. Step 5: Solve for x
    x = 2,365,776,969.25/55,027.64
  6. Step 6: Final answer
    x = 42,992.52

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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.