Home / 55,835.16-77,021.33-34,309.95

Finding the Fourth Proportional to 55,835.16, 77,021.33 and 34,309.95

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Solution

The fourth proportional to 55,835.16, 77,021.33 and 34,309.95 is: 47,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,835.16 : 77,021.33 = 34,309.95 : x
  2. Step 2: Convert to fraction form
    55,835.16/77,021.33 = 34,309.95/x
  3. Step 3: Cross multiply
    55,835.16x = 77,021.33 × 34,309.95
  4. Step 4: Simplify right side
    55,835.16x = 2,642,597,981.23
  5. Step 5: Solve for x
    x = 2,642,597,981.23/55,835.16
  6. Step 6: Final answer
    x = 47,328.56

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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.