Home / 55,883.31-77,117.43-30,732.81

Finding the Fourth Proportional to 55,883.31, 77,117.43 and 30,732.81

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Solution

The fourth proportional to 55,883.31, 77,117.43 and 30,732.81 is: 42,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,883.31 : 77,117.43 = 30,732.81 : x
  2. Step 2: Convert to fraction form
    55,883.31/77,117.43 = 30,732.81/x
  3. Step 3: Cross multiply
    55,883.31x = 77,117.43 × 30,732.81
  4. Step 4: Simplify right side
    55,883.31x = 2,370,035,323.88
  5. Step 5: Solve for x
    x = 2,370,035,323.88/55,883.31
  6. Step 6: Final answer
    x = 42,410.43

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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.