Home / 55,801.67-77,007.11-30,308.13

Finding the Fourth Proportional to 55,801.67, 77,007.11 and 30,308.13

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Solution

The fourth proportional to 55,801.67, 77,007.11 and 30,308.13 is: 41,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.67 : 77,007.11 = 30,308.13 : x
  2. Step 2: Convert to fraction form
    55,801.67/77,007.11 = 30,308.13/x
  3. Step 3: Cross multiply
    55,801.67x = 77,007.11 × 30,308.13
  4. Step 4: Simplify right side
    55,801.67x = 2,333,941,349.26
  5. Step 5: Solve for x
    x = 2,333,941,349.26/55,801.67
  6. Step 6: Final answer
    x = 41,825.66

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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.