Home / 55,883.06-77,117.08-30,732.56

Finding the Fourth Proportional to 55,883.06, 77,117.08 and 30,732.56

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Solution

The fourth proportional to 55,883.06, 77,117.08 and 30,732.56 is: 42,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,883.06 : 77,117.08 = 30,732.56 : x
  2. Step 2: Convert to fraction form
    55,883.06/77,117.08 = 30,732.56/x
  3. Step 3: Cross multiply
    55,883.06x = 77,117.08 × 30,732.56
  4. Step 4: Simplify right side
    55,883.06x = 2,370,005,288.12
  5. Step 5: Solve for x
    x = 2,370,005,288.12/55,883.06
  6. Step 6: Final answer
    x = 42,410.08

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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.