Home / 55,813.19-77,023.04-30,320.06

Finding the Fourth Proportional to 55,813.19, 77,023.04 and 30,320.06

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Solution

The fourth proportional to 55,813.19, 77,023.04 and 30,320.06 is: 41,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,813.19 : 77,023.04 = 30,320.06 : x
  2. Step 2: Convert to fraction form
    55,813.19/77,023.04 = 30,320.06/x
  3. Step 3: Cross multiply
    55,813.19x = 77,023.04 × 30,320.06
  4. Step 4: Simplify right side
    55,813.19x = 2,335,342,657.47
  5. Step 5: Solve for x
    x = 2,335,342,657.47/55,813.19
  6. Step 6: Final answer
    x = 41,842.13

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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.