Home / 55,981.36-77,270.52-44,729.20

Finding the Fourth Proportional to 55,981.36, 77,270.52 and 44,729.20

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Solution

The fourth proportional to 55,981.36, 77,270.52 and 44,729.20 is: 61,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981.36 : 77,270.52 = 44,729.20 : x
  2. Step 2: Convert to fraction form
    55,981.36/77,270.52 = 44,729.20/x
  3. Step 3: Cross multiply
    55,981.36x = 77,270.52 × 44,729.20
  4. Step 4: Simplify right side
    55,981.36x = 3,456,248,543.18
  5. Step 5: Solve for x
    x = 3,456,248,543.18/55,981.36
  6. Step 6: Final answer
    x = 61,739.27

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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.