Home / 55,932.93-77,187.47-30,782.25

Finding the Fourth Proportional to 55,932.93, 77,187.47 and 30,782.25

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Solution

The fourth proportional to 55,932.93, 77,187.47 and 30,782.25 is: 42,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,932.93 : 77,187.47 = 30,782.25 : x
  2. Step 2: Convert to fraction form
    55,932.93/77,187.47 = 30,782.25/x
  3. Step 3: Cross multiply
    55,932.93x = 77,187.47 × 30,782.25
  4. Step 4: Simplify right side
    55,932.93x = 2,376,003,844.50
  5. Step 5: Solve for x
    x = 2,376,003,844.50/55,932.93
  6. Step 6: Final answer
    x = 42,479.52

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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.