Home / 77,925.30-107,531.51-43,935.00

Finding the Fourth Proportional to 77,925.30, 107,531.51 and 43,935.00

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Solution

The fourth proportional to 77,925.30, 107,531.51 and 43,935.00 is: 60,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,925.30 : 107,531.51 = 43,935.00 : x
  2. Step 2: Convert to fraction form
    77,925.30/107,531.51 = 43,935.00/x
  3. Step 3: Cross multiply
    77,925.30x = 107,531.51 × 43,935.00
  4. Step 4: Simplify right side
    77,925.30x = 4,724,396,354.19
  5. Step 5: Solve for x
    x = 4,724,396,354.19/77,925.30
  6. Step 6: Final answer
    x = 60,627.25

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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.