Home / 55,985.44-77,254.80-33,320.77

Finding the Fourth Proportional to 55,985.44, 77,254.80 and 33,320.77

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Solution

The fourth proportional to 55,985.44, 77,254.80 and 33,320.77 is: 45,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,985.44 : 77,254.80 = 33,320.77 : x
  2. Step 2: Convert to fraction form
    55,985.44/77,254.80 = 33,320.77/x
  3. Step 3: Cross multiply
    55,985.44x = 77,254.80 × 33,320.77
  4. Step 4: Simplify right side
    55,985.44x = 2,574,189,422.20
  5. Step 5: Solve for x
    x = 2,574,189,422.20/55,985.44
  6. Step 6: Final answer
    x = 45,979.62

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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.